Mine intrinsic safety type hole depth measuring instrument

CN310111198SActive Publication Date: 2026-07-24CHONGQING ZHONGWA INTELLIGENT TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
CHONGQING ZHONGWA INTELLIGENT TECH CO LTD
Filing Date
2026-01-22
Publication Date
2026-07-24

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Abstract

1. The name of the design product: mine-used intrinsically safe hole depth measuring instrument. 2. The use of the design product: used for recording hole depth data of drilling rig drilling hole. 3. The design points of the design product: in shape. 4. The picture or photo that can best show the design points: perspective view.
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