
Investigation Of Hardness Testers According To Brinell
出版:European Committee for Iron & Steel Standardization

专家解读视频
77 [01/03/1977]
BS 240:1986 - Similar
DIN 51225-1 (1985-01) - Similar
DIN 51305 (1995-01) - Similar
NEN EU 125:1986 - Identical
DIN 51305 : 1995 - Similar to
DIN 51225-1 : 1985 - Similar to
BS 240(1986) : 1986 - Similar to
DIN 51225-1 : 1985 - Similar to
DIN 51305 : 1995 - Similar to
NEN EU 125 : 1986 - Identical
NFA 03 502:1980 - Equivalent