
HOT-ROLLED STRIP OF LOW-CARBON UNALLOYED STEELS - QUALITY SPECIFICATIONS - GENERAL PROVISIONS
出版:European Committee for Iron & Steel Standardization

專家解讀視頻
HOT-ROLLED STRIP OF LOW-CARBON UNALLOYED STEELS - QUALITY SPECIFICATIONS - GENERAL PROVISIONS
出版:European Committee for Iron & Steel Standardization
專家解讀視頻