
Destructive Tests On Welds In Metallic Materials - Bend Tests (Iso 5173:2009/Amd 1:2011)
出版:Norwegian Standards (Norges Standardiseringsforbund)

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Destructive Tests On Welds In Metallic Materials - Bend Tests (Iso 5173:2009/Amd 1:2011)
出版:Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频