Bell and spigot precast chutes

CN309794923SActive Publication Date: 2026-02-13HENAN ZHONGYUAN EXPRESSWAY +1
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Patent Information

Application Number
CN202530428944.8
Authority / Receiving Office
CN · China
Patent Type
Designs(China)
Current Assignee / Owner
Filing Date
2025-07-22
Publication Date
2026-02-13
Estimated Expiration
2040-07-22

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Abstract

1. The name of the design product: socket prefabricated quick-flow channel. 2. The use of the design product: for highway side slope drainage. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: reference drawing in use. 5. The assembly description of other circumstances that need to be explained: the design product belongs to assembly product; assembly 1 is top section, assembly 2 is middle section, assembly 3 is bottom section, and the top section, multiple middle sections and bottom section are sequentially spliced into shape.
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