Manhole cover opening and closing traction rope device
CN310106785SActive Publication Date: 2026-07-21QIANDONGNAN NAT POLYTECHNIC
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- QIANDONGNAN NAT POLYTECHNIC
- Filing Date
- 2026-04-15
- Publication Date
- 2026-07-21
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Figure 000001_ABST
Abstract
1. The name of the design product: the opening and closing traction rope device of the inspection well cover. 2. The use of the design product: for the opening and closing of the municipal road inspection well cover. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: perspective view.
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