
Abrasive discs; Designation, dimensions and tolerances; Selection of disc outside diameter/centre hole diameter combinations
出版:International Organization for Standardization

专家解读视频
1981
UNE 16331:1982 - Identical
DIN 69178-2 (1989-07) - Similar
DIN 69178 (1981-08) - Similar
JIS R 6255:2006 - Equivalent