Hollow anti-drop cable drill rod

CN309093489SActive Publication Date: 2025-01-28XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP
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Patent Information

Application Number
CN202430330478.5
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2024-05-31
Publication Date
2025-01-28
Estimated Expiration
2039-05-31

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Abstract

1. The name of this design product: Hollow anti-drop cable drill rod. 2. The purpose of this design product: used for underground drilling construction in coal mines. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.
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