Concrete drainage pipe (inner wall embedded assembly)

Abstract

1. The name of this design product: Concrete drainage pipe (inner wall embedded assembly type). 2. Application of the product with this design: pipes used for gravity flow pipelines such as rainwater, sewage, water diversion and farmland irrigation and drainage. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1. 5. The rear view, left view and right view are the same as the front view and are omitted.

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