
Destructive tests on welds in metallic materials - Macroscopic and microscopic examination of welds (ISO 17639:2003)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Destructive tests on welds in metallic materials - Macroscopic and microscopic examination of welds (ISO 17639:2003)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频