
Welding - Imperfections in oxyfuel flame cuts, laser beam cuts and plasma cuts - Terminology (ISO 17658:2002); Trilingual version EN ISO 17658:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Welding - Imperfections in oxyfuel flame cuts, laser beam cuts and plasma cuts - Terminology (ISO 17658:2002); Trilingual version EN ISO 17658:2015
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻