Active pressure relief device for underground spaces
CN310047046SActive Publication Date: 2026-06-23HEBEI DADI CONSTR ENG TEST
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- HEBEI DADI CONSTR ENG TEST
- Filing Date
- 2025-11-13
- Publication Date
- 2026-06-23
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Figure 000006_ABST
Abstract
1. Name of the product in this design: Active pressure relief device for underground space. 2. Application of this design: This application is for drainage and pressure relief in underground spaces. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: a 3D model.
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