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一种海洋天然气水合物开采井除砂的装置和方法

Release Time:2019-03-09  Hits:

First Author: 刘瑜

Disigner of the Invention: 赵佳飞,Yongchen Song

Application Number: CN201410186558.3

Authorization Date: 2014-05-06

Authorization Number: CN103967473A

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