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一种管材任意方向的厚向异性系数和屈服应力测定方法

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  • First Author:yuanshijian

  • Disigner of the Invention:hezhubin,张坤,linyanli

  • Application Number:201911186245.7

  • Authorization Date:2019-11-28

  • Authorization number:ZL 201911186245.7

  • Authorization Date:2019-11-28
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