Pipeline noise reduction structure convenient to install

The utility model discloses a pipeline noise reduction structure convenient to install, and belongs to the technical field of water supply and drainage. Comprising a sewer pipe body, the special pipe joints are sleeved at two ends of the sewer pipe body; and the drainage assembly is used for reducin...

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Bibliographische Detailangaben
1. Verfasser: CAO YANCHUN
Format: Patent
Sprache:chi ; eng
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