
Specification and qualification of welding procedures for metallic materials - Welding procedure test Part 7: Overlay welding (ISO 15614-7:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Specification and qualification of welding procedures for metallic materials - Welding procedure test Part 7: Overlay welding (ISO 15614-7:2016)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频