EURONORM 56:1977被替代
Hot-rolled Round-edge Equal Angle Steel
出版：European Committee for Iron & Steel Standardization
专家解读视频
77 [01/05/1977]
BS 4848-4:1972 - Similar
DIN 1028 (1994-03) - Similar
NEN EU 56:1986 - Identical
DIN 1028 : 1994 - Similar to
DIN 1028 : 1994 - Similar to
DIN 1028 E : 1994 - Similar to
NEN EU 56 : 1986 - Identical
BS 4848-4(1972) : 1972 - Similar to
