top plate of well grate seat
CN310143579SActive Publication Date: 2026-08-11孟庆钊
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Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-16
- Publication Date
- 2026-08-11
Smart Images
Figure 000007_ABST
Abstract
1. Name of the product in this design: Top plate of a manhole cover. 2. Application of this design: for use in sponge city ecological construction and precast reinforced concrete building materials. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the key design points: Design 1 3D view. 5. Design 1 is designated as the basic design.
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