Three-point fastening municipal manhole cover

CN310047549SActive Publication Date: 2026-06-23上海承益实业有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
上海承益实业有限公司
Filing Date
2025-12-16
Publication Date
2026-06-23

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Abstract

1. Name of this design product: Three-point fastening municipal manhole cover. 2. Purpose of this design: This design is intended to be used as a base for manholes. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.
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