
Quality requirements for welding - Resistance welding of metallic materials Part 2: Elementary quality requirements (ISO 14554-2:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Quality requirements for welding - Resistance welding of metallic materials Part 2: Elementary quality requirements (ISO 14554-2:2013)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频