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自升式钻井平台桩腿柔性胎具

Release Time:2019-03-09  Hits:

First Author: 汪骥

Disigner of the Invention: 曲智,王顺,李瑞,Liu Yujun

Application Number: CN201420382869.2

Authorization Date: 2014-07-11

Authorization Number: CN203947479U

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