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一种新型盾构管片粘钢接头

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First Author:lishouju

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

Application Number:CN201620256535.X

Authorization Date:2016-03-30

Authorization number:CN205477653U

Next One:一种新型盾构管片铰接接头
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