manhole (gypsum)
CN309677631SActive Publication Date: 2025-12-16SHANGHAI SONGYU IND CO LTD
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Patent Information
- Application Number
- CN202530257361.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-09
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2040-05-09
Smart Images
Figure 000003_ABST
Abstract
1. Name of the design product: access hole (paper gypsum board). 2. Use of the design product: used in places such as suspended ceilings during decoration process, facilitating technicians to overhaul the internal pipeline of suspended ceiling. 3. Design points of the design product: in shape. 4. Picture or photo best indicating the design points: design 1 perspective view. 5. Design 1 is designated as the basic design.
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