manhole cover

CN310071874SActive Publication Date: 2026-07-03XIAMEN CHAORONG BUILDING MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
XIAMEN CHAORONG BUILDING MATERIALS CO LTD
Filing Date
2025-12-19
Publication Date
2026-07-03

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Abstract

1. Name of the product in this design: Manhole Cover. 2. Purpose of this design: for use in well chambers for urban sewage drainage. 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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