
WELDING CONSUMABLES - COVERED ELECTRODES FOR MANUAL METAL ARC WELDING OF NICKEL AND NICKEL ALLOYS - CLASSIFICATION (ISO 14172:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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WELDING CONSUMABLES - COVERED ELECTRODES FOR MANUAL METAL ARC WELDING OF NICKEL AND NICKEL ALLOYS - CLASSIFICATION (ISO 14172:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频