
Welding consumables - Fluxes for submerged arc welding and electroslag welding - Classification (ISO 14174:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Welding consumables - Fluxes for submerged arc welding and electroslag welding - Classification (ISO 14174:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻