
Cold-upsetting Steels And Cold Extruding Steels - Quality Specifications - General Section
出版:European Committee for Iron & Steel Standardization

專家解讀視頻
1974 [01/06/1974]
NFA 35 577:1990 - Similar
NFA 35 577 : 1990 - Similar to
NFA 35 577 : 1990 - Similar to