
Butt-Welding Pipe Fittings - Part 4: Wrought Austenitic & Austenitic-Ferritic (Duplex) Stainless Steels With Specific Inspection Requirements
出版:Comite Europeen de Normalisation

专家解读视频
Butt-Welding Pipe Fittings - Part 4: Wrought Austenitic & Austenitic-Ferritic (Duplex) Stainless Steels With Specific Inspection Requirements
出版:Comite Europeen de Normalisation
专家解读视频