Drainage tube

The utility model provides a drainage tube, including inner tube and outer tube, be equipped with a plurality of drainage through -holes on the lateral wall of the front end of inner tube, the front end of outer tube seals, be equipped with a plurality of through -hole flushing on the lateral wall o...

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Bibliographic Details
Main Authors WANG WEI, YE ZHIYIN, LUO YISHA, GOU DENGPENG, YANG MINGHUA
Format Patent
LanguageChinese
English
Published 03.05.2017
Subjects
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