ISO 2768:1973被替代
Permissible Machining Variations In Dimensions Without Tolerance Indication
出版：International Organization for Standardization
专家解读视频
Specifies the permissible machining variations for untoleranced dimensions. Only applies to the dimensions of mechanical parts that are machined (shaped by metal removal).
NBN EN 246:2003 - Identical
DIN 7168-1 (1981-05) - Similar
BS 4500-3:1973 - Equivalent
DIN 7168-1 : 1981 - Similar to
NBN EN 246 : 2003 - Identical
DIN 7168-1 : 1981 - Similar to
