Coal mine gas extraction pipe bend (series appearance)

CN309589442SActive Publication Date: 2025-11-07HUAINAN DATUN GROUTING ENG CO LTD
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Patent Information

Application Number
CN202530106998.2
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-03-07
Publication Date
2025-11-07
Estimated Expiration
2040-03-07

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Abstract

1. Name of the designed product: coal mine gas extraction pipe elbow (series appearance). 2. Use of the designed product: used for the flow direction change of gas in the pipeline. 3. Design points of the designed product: in shape. 4. Picture or photo that best shows the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
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Citation Information

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