
WELDING - WELDING OF METALS, PROCESSES
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
ISO 857 : 1990 - Similar to
ISO/DIS 4063 : 60.00 (2009) - Corresponds
ISO 4063 : 2009(R2015) - Similar to
ISO 857 : 1990 - Similar to