
Unfired pressure vessels Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Unfired pressure vessels Part 6: Requirements for the design and fabrication of pressure vessels and pressure parts constructed from spheroidal graphite cast iron
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频