
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)

专家解读视频
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)
专家解读视频