
Welding consumables - Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron - Classification (ISO 1071:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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Welding consumables - Covered electrodes, wires, rods and tubular cored electrodes for fusion welding of cast iron - Classification (ISO 1071:2015)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频