
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)

專家解讀視頻
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)
專家解讀視頻