
Flat products made of steels for pressure purposes - Nickel-alloy steels with specified low temperature properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Flat products made of steels for pressure purposes - Nickel-alloy steels with specified low temperature properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻