
Brinell Hardness Measurement For Steel
出版:European Committee for Iron & Steel Standardization

专家解读视频
79 [01/03/1979]
NEN EU 3 : 1986 - Identical
DIN 50351 : 1985 - Similar to
BS 240(1986) : 1986 - Similar to
DIN 50351 : 1985 - Similar to
DIN 50351 (1985-02) - Similar
BS 240:1986 - Similar
NEN EU 3:1986 - Identical