ISO 691:2005现行
Assembly tools for screws and nuts - Wrench and socket openings - Tolerances for general use
出版：International Organization for Standardization
专家解读视频
UNE 16502:2008 - Identical
UNI ISO 691:2008 - Identical
ISO 1085:1999 - Similar
SS ISO 691 Ed. 3 (2005) - Identical
NF ISO 691:2006 - Identical
ONORM ISO 691:2007 - Identical
DIN ISO 691 (2007-04) - Identical
GB/T 4390-2008 - Modified
BS 192:1982 - Similar
ISO 3318:1990 - Similar
UNI ISO 691:2000 - Identical
SS 3528:1983 - Similar
UNE 16502:1991 - Identical
BS 192-1:1996 - Similar
