EURONORM 57:1978被替代
Hot-rolled Round-edge Unequal Angle Steel
出版：European Committee for Iron & Steel Standardization
专家解读视频
78 [01/05/1978]
BS 4848-4:1972 - Similar
NFA 45 009:1979 - Similar
DIN 1029 (1994-03) - Similar
DIN 1029 : 1994 - Similar to
NEN EU 57 : 1986 - Identical
DIN 1029 : 1994 - Similar to
DIN 1029 E : 1994 - Similar to
BS 4848-4(1972) : 1972 - Similar to
NFA 45 009 : 1979 - Similar to
