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一种新型盾构管片粘钢接头

Release Time:2019-03-09  Hits:

First Author: 李守巨

Disigner of the Invention: 上官子昌,李雨陶,刘文怡

Application Number: CN201620256535.X

Authorization Date: 2016-03-30

Authorization Number: CN205477653U

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