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116results about How to "Improve resection efficiency" patented technology

Endoscopic cutting instrument with axial and rotary motion

Disclosed herein is an endoscopic surgical assembly having improved cutting efficiency. In particular, the present invention provides an endoscopic shaver assembly configured for automated axial as well as rotational motion so as to enhance tissue resection.
Owner:TARGET MEDICAL INNOVATIONS

Multi fluid tissue resection methods and devices

Prostate treatment using fluid stream to resect prostate tissue, thereby relieving symptoms of conditions such as BPH, prostatitis, and prostatic carcinoma. A device having a fluid delivery element is positioned within a lumen of the urethra within the prostate. A fluid stream is directed outwardly from the fluid delivery element toward a wall of the urethral lumen. The fluid delivery element is moved to scan the fluid stream over the wall to remove a volume of tissue surrounding the lumen. The fluid may be combined with therapeutically active substances or with substances that increase resection efficiency. Fluid force may be adjusted to provide selective tissue resection such that soft tissue is removed while harder tissue is left undamaged. In order to gain a working space within the urethra, another fluid may be introduced to insufflate the urethra in the region of treatment.
Owner:AQUABEAM

Asymmetric shaver and methods for making same

A surgical shaver blade is provided with a stationary elongated outer tube, having a cutting window at its distal tip and a rotatable elongated inner tube having a cutting window at its distal tip. Each cutting window is not symmetrical about any line in a sectional view through the window normal to the tube axis. In a preferred embodiment the cutting edges of each window have a plurality of teeth, the teeth of one lateral cutting edge being offset axially from the teeth of the other lateral edge so that the teeth of one edge align axially with the valleys between teeth on the opposite edge. When the shaver is used in oscillate mode, the teeth of one direction of rotation align with tissue that was between teeth during the previous opposite direction rotation thereby enhancing the ability of the teeth to penetrate the tissue and prevent its ejection from the cutting window as the cutting edges approach. In another embodiment the outer window is asymmetric without teeth and the inner window is asymmetric with teeth. In yet another embodiment only the inner cutting edges are asymmetric. The cutting edges are formed in a single grinding operation or multiple grinding operations using a multi-axis CNC grinding machine, or electrochemically.
Owner:ASYMMETRICS

Method for deleting selection marker gene of transgenic rice

The invention provides a method for deleting a selection marker gene of transgenic rice and belongs to the field of plant gene engineering. The method for efficiently deleting the marker gene of the transgenic rice in a plant level is established by utilizing a genome fixed-point editing technology mediated by a CRISPR / Cas9 system. The whole segment of the marker gene can be effectively deleted by utilizing the method, and only an expression frame of the marker gene is deleted pointedly without change of the expression of other components in the transgenic rice. Thus, the transgenic rice without the selection marker gene can be efficiently bred by utilizing the method, so that the safety doubt of people about the selection marker gene can be completely removed.
Owner:RICE RES ISTITUTE ANHUI ACAD OF AGRI SCI

Endoscopic cutting instrument with axial and rotary motion

Disclosed herein is an endoscopic surgical assembly having improved cutting efficiency. In particular, the present invention provides an endoscopic shaver assembly configured for automated axial as well as rotational motion so as to enhance tissue resection.
Owner:TARGET MEDICAL INNOVATIONS

Immunomagnetic bead for sorting human cells and preparation and cutting-off method of immunomagnetic bead

The invention provides an immunomagnetic bead for sorting human cells and a preparation and cutting-off method of the immunomagnetic bead and particularly relates to a magnetic bead-nucleic acid-antibody compound or a kit containing the magnetic bead-nucleic acid-antibody compound. The compound comprises a magnetic bead, nucleic acid covalently coupled to the magnetic bead and an antibody covalently coupled with the nucleic acid, wherein the nucleic acid comprises at least one enzyme digestion site, and the antibody can specifically bind with antigen on the surfaces of to-be-screened cells. The invention further comprises the purpose and preparation method of the magnetic bead-nucleic acid-antibody compound and a method for using the magnetic bead-nucleic acid-antibody compound to perform cell sorting.
Owner:SHANGHAI BAIZE MEDICAL APP & INSTR CO LTD +2

Minimally Invasive Devices for Multi-Fluid Tissue Ablation

Prostate treatment using fluid stream to resect prostate tissue, thereby relieving symptoms of conditions such as BPH, prostatitis, and prostatic carcinoma. A device having a fluid delivery element is positioned within a lumen of the urethra within the prostate. A fluid stream is directed outwardly from the fluid delivery element toward a wall of the urethral lumen. The fluid delivery element is moved to scan the fluid stream over the wall to remove a volume of tissue surrounding the lumen. The fluid may be combined with therapeutically active substances or with substances that increase resection efficiency. Fluid force may be adjusted to provide selective tissue resection such that soft tissue is removed while harder tissue is left undamaged. In order to gain a working space within the urethra, another fluid may be introduced to insufflate the urethra in the region of treatment.
Owner:PROCEPT BIOROBOTICS CORP +1

Auxiliary apparatus for minimally invasive surgery and method to use the same

An auxiliary apparatus for MIS including an in vivo device and an in vitro device to stretch a surgery target is provided. The in vitro device comprises an in vitro magnet field-generating element. The in vivo device comprises an in vivo magnet-anchoring element to the surgery target. The in vivo magnet moves and / or rotates according to the direction change of the external magnetic field, which is generated by the in vitro magnet field-generating element, and thereby the surgery target can move in a controlled speed and / or rotate in a controlled angle according to the direction change of the external magnetic field. A method to control the auxiliary apparatus is also provided.
Owner:ANKON MEDICAL TECH (SHANGHAI) CO LTD

Auxiliary apparatus for minimally invasive surgery and method to use the same

An auxiliary apparatus for MIS including an in vivo device and an in vitro device to stretch a surgery target is provided. The in vitro device comprises an in vitro magnet field-generating element. The in vivo device comprises an in vivo magnet-anchoring element to the surgery target. The in vivo magnet moves and / or rotates according to the direction change of the external magnetic field, which is generated by the in vitro magnet field-generating element, and thereby the surgery target can move in a controlled speed and / or rotate in a controlled angle according to the direction change of the external magnetic field. A method to control the auxiliary apparatus is also provided.
Owner:ANKON MEDICAL TECH (SHANGHAI) CO LTD

Device for tearing, cutting and pasting glass surface protection membrane

The invention discloses a device for tearing, cutting and pasting a glass surface protection membrane. The device comprises a feeding mechanism, an alignment platform component, a working platform mechanism, a moving mechanism, a membrane tearing and pasting mechanism and a cutting mechanism, wherein the alignment platform component is used for holding glass to which a protection membrane is pasted and used for correcting and aligning the glass; the working platform mechanism is used for sucking the glass and used for moving the glass to a preset membrane tearing position; the moving mechanismis used for moving the glass on the feeding mechanism to the alignment platform component and used for moving the glass to the working platform mechanism after the glass is corrected; the membrane tearing and pasting mechanism is used for separating the glass from a part of the protection membrane on the glass and used for pasting the rest protection membrane to the glass; and the cutting mechanism is used for cutting a part of the protection membrane for a preset length. The device for tearing, cutting and pasting the glass surface protection membrane is beneficial to improvement of cuttingefficiency and cutting precision of the protection membrane, so that the purposes of lowering the labor cost,d improving the cutting quality and increasing the cutting speed can be achieved, in addition, the device is applicable to on-scale production, and the consistency of on-scale production can be improved.
Owner:SHENZHEN JIYIN TECH

Endoscopic cutting instrument with axial and rotary motion

InactiveCN101495051AEasy to cutImprove resectionSurgeryEngineeringSurgical department
Disclosed herein is an endoscopic surgical assembly having improved cutting efficiency. In particular, the present invention provides an endoscopic shaver assembly configured for automated axial as well as rotational motion so as to enhance tissue resection.
Owner:TARGET MEDICAL INNOVATIONS

Plastic Bottle Mouth Rotary Cutting Machine

The utility model relates to a plastic bottle mouth rotary cutter, which belongs to the technical field of supporting facilities for automatic blow molding blow molding machines. It includes a frame, which is composed of first and second frame walls, and a bottle moving channel is formed between the first and second frame walls; the bottle mouth flash cutting mechanism is arranged on the first frame wall the top of the bottle; the bottle guiding mechanism is arranged on the top of the second frame wall and corresponds to the bottle mouth flash cutting mechanism; the bottle automatic traction mechanism is arranged on the first frame wall. Advantages: It can guarantee the normal operation of the automatic blow molding machine and avoid complicating the structure of the automatic blow molding machine, which is beneficial to improve the efficiency of cutting the flash of the bottle mouth and the regularity of the incision, and overcome the labor intensity of manual work Large and lack of manpower input, the overall structure is simple and easy to operate.
Owner:SUZHOU TONGDA MOLD

Modular weeding device

The invention discloses a modular weeding device, and belongs to the technical field of agricultural machinery. The modular weeding device comprises a fixing table, wherein two symmetrical first sleeves are fixedly connected to the lower end of the fixing table, telescopic springs are fixedly connected to the inner parts of the first sleeves, and first weed recognition cameras, an automatic navigation camera, a GPS receiver and a main controller are sequentially and fixedly connected to the fixing table in the advancing direction; and a second weed recognition camera is connected to the lower end of a pesticide application mechanism. Through the arrangement of a first transmission mechanism, rotating wheels and a weeding mechanism can synchronously ascend and descend, the weeding end of the weeding mechanism and the lowest parts of the rotating wheels are made to be equal in height all the time, and therefore, the cutting efficiency of the weeding mechanism on weeds on the earth surface is effectively improved. Through mutual cooperation of the weeding mechanism and the pesticide application mechanism, weeds can be thoroughly removed, the cut weeds are prevented from reviving again, and the practicability of the device is effectively improved.
Owner:内蒙古科学技术研究院

Fault clearing method, device and equipment responding to voltage loss of station communication power supply

The invention discloses a fault clearing method, device and equipment responding to voltage loss of a station communication power supply. The method comprises the following steps: when a fault is detected in an electric power system and a substation with voltage loss of the station communication power supply exists in the level of circuit where the fault occurs, determining the substation generating the voltage loss of the station communication power supply as the target substation; protecting the target substation by using ground-layer protection configuration or substation-area-layer protection configuration; and protecting other substations, except the target substation, in the level of circuit where the target substation is located and in adjacent levels of circuit by using wide-area-layer protection configuration so as to clear the fault. With such a technical scheme provided by embodiments of the invention, the efficiency of fault clearing is greatly improved, and the reliability of fault clearing is enhanced. The invention also discloses the fault clearing device, the fault clearing equipment and a storage medium for coping with the voltage loss of the station communication power supply. The device, the equipment and the storage medium have corresponding technical effects.
Owner:GUANGDONG POWER GRID CO LTD +1

Adjustable saw type excising device for intervertebral disc under spinal endoscope

The invention discloses an adjustable saw type excising device for intervertebral disc under a spinal endoscope, and belongs to the field of medical apparatuses. The adjustable saw type excising device comprises a connecting pipe, a handle arranged at one end of the connecting pipe, a first spherical sleeve arranged at the other end of the connecting pipe, a steering group arranged on the first spherical sleeve and a cutting group arranged on the steering group, wherein the steering group comprises a hollow ball which is arranged in the first spherical sleeve and is movably connected with thefirst spherical sleeve, a resecting pipe which is arranged on the outer side of the first spherical sleeve and is connected with the hollow ball and a second spherical sleeve arranged on the resectingpipe. According to the adjustable saw type excising device disclosed by the invention, a doctor can adjust the operating angle of a saw disc and perform high-efficient resecting on a pulpiform nucleus which is tough in character, a fiber ring and a cartilage adhered to a centrum endplate; and a manner of slow removing through biting by a pulpiform nucleus plier under an endoscope is replaced by rotation resecting by the saw disc, "a removing point" is replaced by "an operation surface", so that the efficiency and the success rate of discectomy under the endoscope and lumbar interbody fusion are notably increased.
Owner:AFFILIATED HOSPITAL OF ZUNYI MEDICAL COLLEGE

Vulcanized busbar lapping surface cutting device and vulcanized busbar lapping surface cutting method

ActiveCN108735386AThe transmission form is simpleEasy to processInsulating conductors/cablesEpoxyEngineering
The invention relates to a vulcanized busbar lapping surface cutting device and a vulcanized busbar lapping surface cutting method. The vulcanized busbar lapping surface cutting device comprises a base, wherein a busbar mounting seat for mounting a vulcanized busbar is arranged on the base, a cutter device is arranged on at least one side of the busbar mounting seat, the cutter device comprises aknife seat and a cutter, the cutter is arranged on the knife seat in a guided mode, the cutter is provided with an annular cutting edge, and the cutter is connected with a driving device for driving the cutter to move in a direction towards or away from the busbar mounting seat. When the vulcanized busbar cutting device cuts an epoxy resin layer at the lapping surface of the vulcanized busbar, thevulcanized busbar is mounted on the busbar mounting seat, the driving device drives the cutter to move towards the lapping surface of the vulcanized busbar, the annular cutting edge of the cutter cuts off the epoxy resin layer at the lapping surface of the vulcanized busbar at one time, and the scheme is high in cutting efficiency and convenient to operate.
Owner:HENAN SENYUAN ELECTRIC CO LTD

Adjustable reciprocating excising device for intervertebral disc under spinal endoscope

The invention discloses an adjustable reciprocating excising device for intervertebral disc under a spinal endoscope, and belongs to the field of medical apparatuses. The adjustable reciprocating excising device comprises an inserting pipe, a handle arranged at one end of the inserting pipe, a first universal sleeve arranged at the other end of the inserting pipe, a steering group arranged on thefirst universal sleeve and a cutting group arranged on the steering group. According to the adjustable reciprocating excising device disclosed by the invention, a doctor can adjust the operating angleof a cutting disc, and replace a "point type " biting type slow removing process of intervertebral disc tissue with pulpiform nucleus pliers under an endoscope by a "surface type " intervertebral disc tissue resecting through slicing, and a pulpiform nucleus which is tough in character, a fiber ring and a cartilage adhered to a centrum endplate can be polished and excised in a "bone filing type "manner, so that the efficiency and the success rate of the discectomy under the endoscope and lumbar interbody fusion are notably increased.
Owner:AFFILIATED HOSPITAL OF ZUNYI MEDICAL COLLEGE

Device for batched cutting of empty ring-pull cans

The invention relates to a device for cutting empty ring-pull cans and particularly relates to a device for batched cutting of empty ring-pull cans. The device for batched cutting of the empty ring-pull cans aims at achieving the technical purposes of being capable of saving time and effort and capable of improving the cutting efficiency. To achieve the technical purpose, the device for batched cutting of the empty ring-pull cans comprises a base, a can storage tank, a first conveying mechanism and a speed reduction mechanism, wherein a servo motor is installed on one side on the base, the canstorage tank is connected to one side of the top of the base, the first conveying mechanism is installed on the can storage tank, and the speed reduction mechanism is installed on the side, close tothe servo motor, of the base. According to the device, a first conveying belt rotates anticlockwise and can make the empty ring-pull cans move forwards through partition plates, and two first cuttingwheels rotate anticlockwise and can cut off can covers and can bottoms of the empty ring-pull cans moving forwards.
Owner:彭杨杨

Tunnel support for endoscopic submucosal dissection

The invention provides a tunnel support for endoscopic submucosal dissection. The tunnel support comprises an air bag, a tubing, a negative pressure tube, a lead guide tube and an inflatable tube; the negative pressure tube, the lead guide tube and the inflatable tube are located in the tubing; the air bag is located at the front end of the tubing; the negative pressure sucking tubes are lengthways arranged on two sides of the upper wall and the lower all of the air bag; outward negative pressure sucking holes which pass through the air bag wall to communicate with the outside are uniformly formed in the negative pressure sucking tubes at the two sides of the upper wall and the lower wall of the air bag; the inflatable tube communicates with the air bag; the negative pressure tube is connected with a negative pressure generator. The tunnel support is simple in structure, convenient and reliable to operate, and effective to support a tunnel during the endoscopic submucosal dissection, so as to greatly reduce perforation and injury on muscularis propria and other complications; in addition, the difficulty at surgery can be greatly reduced, the cutting efficiency can be improved, and meanwhile, the safety of the surgery can be improved.
Owner:WEST CHINA HOSPITAL SICHUAN UNIV

Honey shaking device for bee breeding

The invention discloses a honey shaking device for bee breeding. The honey shaking device for bee breeding comprises a base, vertical plates, an upper frame mechanism, a honey excising mechanism, a box closing mechanism, a honey receiving mechanism and a motor. The two ends of the upper surface of the base are fixedly connected with the vertical plates, and the honey receiving mechanism is arranged at the portion, between the two vertical plates, on the upper surface of the base and comprises a honey receiving base and a honey receiving cylinder. According to the honey shaking device, by arranging the upper frame mechanism, an adjustable clamping tool is utilized to fix a net frame with a net body between two clamping pieces, and therefore preparation is made for later work conveniently. By arranging the honey excising mechanism, honeycombs on the two sides of the nest body can be conveniently excised completely, the situation that the sanitation of the honeycombs and honey is influenced by directly touching the net frame with hands is avoided, the excising efficiency is higher, and operation is simpler. The box closing mechanism and the honey receiving mechanism are arranged, andcorrespondingly the honey in the nest body can be quickly thrown out by utilizing a centrifugal principle under the high-speed operation of the motor, so that a honey shaking process is realized, andlater honey collection is more convenient.
Owner:重庆花千源蜂业有限公司

Grinding drill for bone grinding

The invention discloses a grinding drill for bone grinding. The grinding drill comprises a grinding head (1) and a grinding handle connected with the grinding head. The grinding head (1) penetrates in a supporting rod (2) through the grinding handle. The center axis of the supporting rod (2) is parallel to the axis of the knife handle. The supporting rod (2) is provided with a limiting device. The position, on the supporting rod (2), of the limiting device axially moves and is locked under the effect of force. The supporting rod is arranged on the grinding handle and provided with the limiting device, so that use is convenient, and excision efficiency is high. The excision range can be controlled by moving the supporting rod, the operation precision and progress are improved, controllability is high, and therefore use safety is improved.
Owner:贵州梓锐科技有限公司

Adjustable shear-type intervertebral disc ectomy device under spine endoscope

The invention discloses an adjustable shear-type intervertebral disc ectomy device under a spine endoscope, and belongs to the field of medical devices. The adjustable shear-type intervertebral disc ectomy device comprises a main pipe, a handle arranged at one end of the main pipe, a first universal sleeve arranged at the other end of the main pipe, a steering set arranged on the first universal sleeve, and a cutting set arranged on the steering set; and the cutting set comprises a connecting ball arranged in a second universal sleeve, a cutting shell arranged on the connecting ball, a drivingmotor arranged in the cutting shell, and a tool bit arranged at the front end of the cutting shell and connected with the output end of the driving motor. The shearing function on fibrous rings and nucleus pulposus tissue in the intervertebral disc is achieved, the efficiency of an intervertebral disc tissue ectomy operation under the endoscope is improved, and the success rate of the intervertebral disc tissue ectomy operation under the endoscope is increased.
Owner:AFFILIATED HOSPITAL OF ZUNYI UNIV

Embedded abrasive cloth reel type sanding machine

The invention relates to a sanding machine, in particular to an embedded abrasive cloth reel type sanding machine which mainly solves the problem that an existing sanding machine is unreasonable in structure. The sanding machine further comprises a main roller, a lifting arm, a beam frame, drive motors, a processing platform and a four-column supporting structure which are arranged in a box body,wherein an abrasive cloth reel is embedded into the main roller; the two ends of the main roller are equipped with shaft bodies; the top of the lifting arm is connected with supporting arms, two endsof each supporting arm are arranged upwards in an inclined mode; the end parts of the supporting arms transversely extend outwards, and are connected with gears; the beam frame is arranged inside thebox body; racks which are engaged with the gears are arranged on the beam frame; rolling ball bearings are arranged in the bottom of the lifting arm; side mounting plates are further arranged on the lifting arm; and the drive motors are connected with the side mounting plates. Compared with a conventional sanding machine roller which adopts belt transmission to drive horizontal movement, the scheme adopts a structure of combining the gears with the racks, has limiting effect in rotation, and realizes synchronous movement, no shake and no off-tracking of the main roller.
Owner:宁国市吉思知识产权运营有限公司

Turnip crop root removing device

InactiveCN108851138AImprove resection efficiencySpeed up the cleaning processFood treatmentEngineeringAssembly line
The invention discloses a turnip crop root removing device. The device comprises a base, a control switch group is arranged on one side of the upper surface of the base, a support plate is arranged atone end of the left side of the upper surface of the base, a removing mechanism is arranged at the upper end of the support plate, a hanging conveyor line is located over the removing mechanism, hanging mechanisms are uniformly distributed on the hanging conveyor line, four support legs are arranged on the left side of the upper surface of the base, a collecting box is arranged at the upper endsof the four supporting legs and located under the removing mechanism, a sliding plate is connected to the right side face of the collecting box, a cleaning box is arranged on the right side of the upper surface of the base, a cleaning mechanism is arranged in the middle in the cleaning box, and an air inlet mechanism is arranged on the lower portion of the right side face of the cleaning box. Theturnip crop root removing device is convenient to use, the turnip crop root removing efficiency is improved, turnip crop roots can be cleaned conveniently, removing and cleaning integrated operation is achieved, the device is suitable for assembly line processing, and time and labor are saved.
Owner:贵州伊诺生物科技有限公司

Core material thickness chamfering method of fan blade

The invention discloses a core material thickness chamfering method of a fan blade. The core material thickness chamfering method comprises the following steps of setting a height between a cutting head of cutting equipment and a working table of the cutting equipment; setting a relative angle between a saw blade of the cutting head and the working table of the cutting equipment; pushing in a corematerial in a direction perpendicular to the extending direction of the saw blade of the cutting head; and removing a to-be-chamfered portion of the upper part of the core material by the saw blade of the cutting head in a pushing-in direction. Chamfering is performed by the cutting equipment, a chamfer of the core material can be accurately cut by high-speed linear moving of the saw blade of thecutting equipment, continuous cutting can be performed by the saw blade of the cutting head during high-speed movement, the feeding speed of the core material cannot be affected even under the conditions of very small chamfer angle of the core material and wide cutting area, and very high cutting efficiency can also be ensured by the saw blade of the cutting head.
Owner:上海艾港风电科技发展有限公司 +1

Water gap cut-away equipment and water gap cut-away method

The invention relates to water gap cut-away equipment and a water gap cut-away method. The water gap cut-away equipment comprises a working platform. Cutting assemblies are arranged on the working platform and comprise product fixing seats, water gap clamping mechanisms, main cutting mechanisms and auxiliary cutting mechanisms. The main cutting mechanisms comprise main cutters and first drive devices. The auxiliary cutting mechanisms comprise fixedly-arranged auxiliary cutters. A cutting position is arranged between each main cutter and the corresponding auxiliary cutter, and each product fixing seat is located on one side of the corresponding cutting position. The water gap clamping mechanisms comprise clamping devices and second drive devices, the second drive devices drive the clampingdevices to face or deviate from the cutting positions, and the first drive devices drive the main cutters to move towards the cutting positions. The water gap cut-away method adopts the above water gap cut-away equipment for water gap cut-away. By means of the water gap cut-away equipment and the water gap cut-away method utilizing the water gap cut-away equipment, the cut-away efficiency of watergap parts is good, the water gap cut-away effect is good, the labor intensity of workers is effectively reduced, and the work efficiency and product quality are improved.
Owner:SUNWAY PLASTIC & ELECTRONICS ZHUHAI

Blow molding machine

PendingCN108724678ABreak offImprove flatnessBlow moldingEngineering
The invention discloses a blow molding machine. The blow molding machine comprises a frame, a blow molding machine head, an electric sliding table, a mold, a bottleneck surplus cutting device, a three-axis adjusting frame for surplus cutter and a bottle bottom surplus breaking device; the electric sliding table is arranged horizontally on the frame; the bottleneck surplus cutting device is arranged above the mold, and comprises a telescopic cylinder, a rack, a gear, a rotating link, a cutter bar and a cutter head; the three-axis adjusting frame for surplus cutter comprises a base board, an X-axis adjustment component, an Y-axis adjustment component, and an Z-axis adjustment component; the bottle bottom surplus breaking device comprises a telescopic cylinder, a bracket, and a clamp plate. The blow molding machine provided by the invention realizes the circumferential resection of the surplus material of the plastic bottleneck by the rotation of the cutter head, the overall cutting efficiency is high, the plastic bottleneck is flat, and the product quality is high; the three-axis adjusting frame for surplus cutter can finely adjust the bottleneck surplus cutting device to change theangle and direction of the cutter head to make the plastic bottleneck flatness to be higher.
Owner:武汉环岛塑胶包装有限责任公司
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