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› ISO/TR 20491:2019-Fasteners -- Fundamentals of hydrogen embrittlement in steel f
teppei
发表于 2019-2-23 10:41:43
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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ISO/TR 20491:2019-Fasteners -- Fundamentals of hydrogen embrittlement in steel f