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一种具有变截面进水管道式进水流道的喷水推进泵

Release Time:2021-01-05  Hits:

First Author: 王晓放

Disigner of the Invention: 于茜,张野,鲁业明,边超,周方明,李忠贺

Application Number: 2019216220353

Authorization Date: 2019-09-27

Authorization Number: ZL 2019216220353

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