Bridge type crater tray
CN309440939SActive Publication Date: 2025-08-15TIANJIN ZHENHUA PRESTRESSING FORCE TECH CO LTD
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Patent Information
- Application Number
- CN202430823758.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2039-12-25
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Figure 000001_ABST
Abstract
1. The name of this design product: Bridge-type crater tray. 2. Purpose of this product design: This product design is used in conjunction with anchors and steel belts to support coal mine tunnels. 3. The picture or photo that best illustrates the design points: three-dimensional picture. 4. The rear view is the same as the main view, so the rear view is omitted; the left view is the same as the right view, so the left view is omitted.
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