Inspection well covers for water supply and drainage

CN310090349SActive Publication Date: 2026-07-14蒋丽娟 +1
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
蒋丽娟
Filing Date
2026-01-22
Publication Date
2026-07-14

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Abstract

1. Name of the product in this design: Manhole cover for water supply and drainage. 2. Purpose of this design: a manhole cover for inspecting the condition of underground wells. 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 rendering 1.
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