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标题: ISO/TR 20491:2019-Fasteners -- Fundamentals of hydrogen embrittlement in steel f [打印本页]

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作者: teppei    时间: 2019-2-23 10:41:43     标题: ISO/TR 20491:2019-Fasteners -- Fundamentals of hydrogen embrittlement in steel f

ISO/TR 20491:2019-Fasteners -- Fundamentals of hydrogen embrittlement in steel fasteners
请问哪位大神有此标准可以分享？
谢谢〜

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