ISO 5421:1977现行
Ground high speed steel tool bits
出版：International Organization for Standardization
专家解读视频
BS 1296-4:1978 - Similar
NFE 66 380:1985 - Similar
UNI ISO 5421:1989 - Identical
GB/T 4211.1-2004 - Identical
JIS B 4151:1998 - Equivalent
KS B 3201:2013 - Modified
KS B 3201:2002 - Modified
NFE 66 380 : 1985 - Similar to
NBR ISO 5421 : 2014 - Identical
UNI ISO 5421 : 1989 - Identical
BS 1296-4(1978) : 1978 - Similar to
SAC GB/T 4211.1 : 2004 - Identical
UNI ISO 5421 : 1989 - Identical
NFE 66 380 : 1985 - Similar to
SAC GB/T 4211.1 : 2004 - Identical
NBR ISO 5421 : 2014 - Identical
