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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:苑世剑

  • Disigner of the Invention:何祝斌,张坤,林艳丽

  • Application Number:201911186245.7

  • Authorization Date:2019-11-28

  • Authorization Number:ZL 201911186245.7

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