ISO 521:1975被替代
Machine chucking reamers with parallel shanks or Morse taper shanks
出版：International Organization for Standardization
专家解读视频
BIS IS 5446:1978 (R2002) - Equivalent
BIS IS 5447:1978 (R2002) - Equivalent
BS 328-4:1983 - Identical
NS 5331 Ed. 1 (1973) - Similar
NS 5332 Ed. 1 (1973) - Similar
DIN 212-2 (1981-10) - Identical
UNI 6853:1977 - Equivalent
UNI 6854:1980 - Equivalent
I.S. EN ISO 5211:2001 - Identical
DIN 212-1 (1979-09) - Identical
DIN 3337 (1985-09) - Similar
NF ISO 521:2002 - Identical
JIS B 4402:1998 - Equivalent
SS 582 Ed. 1 (1980) - Identical
SS 583 Ed. 1 (1980) - Identical
GB/T 1132-2004 - Modified
