
Flat products made from steel for pressure purposes; part 3: weldable fine grain steels, normalized; german version EN 10028-3:1992
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Flat products made from steel for pressure purposes; part 3: weldable fine grain steels, normalized; german version EN 10028-3:1992
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻