
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 2: Non-alloy and alloy steel tubes with specified elevated temperature properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻