Square manhole cover (3)
CN309181867SActive Publication Date: 2025-03-18HONGGUANG HANDAN FOUNDRY CO LTD
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Patent Information
- Application Number
- CN202430407585.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Designs(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2039-07-01
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Figure 000007_ABST
Abstract
1. The name of this design product: square manhole cover (3). 2. The purpose of this design product: to cover roads or deep wells to prevent people or objects from falling. 3. The design key point of this appearance design product lies in the combination of shape and pattern. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.
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