bellows

Abstract

1. Name of the product in this design: Corrugated pipe. 2. Application of this design: A drainage pipe for municipal engineering, buried underground during construction, suitable for urban underground drainage, sewage discharge, or as a casing to protect underground power and communication optical cables, preventing mechanical damage and groundwater erosion. 3. The key design feature of this product is its shape. 4. The picture or photograph that best illustrates the key design points: Design 1A-A sectional view. 5. Design 1 is designated as the basic design. 6. Other matters requiring explanation: The length of the product in this design is variable.

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