ISO 1174-2:1996现行
Assembly tools for screws and nuts - Driving squares Part 2: Driving squares for power socket tools
出版：International Organization for Standardization
专家解读视频
GB/T 3227-2008 - Identical
SS ISO 1174-2 Ed. 1 (1997) - Identical
UNE 16503-1:1999 - Identical
PN ISO 1174-2:2001 - Identical
DIN 3121 (1993-12) - Identical
NF ISO 1174-2:1997 - Identical
UNI ISO 1174-2:1999 - Identical
GB/T 3227-2000 - Identical
KS B ISO 1174-2:2002 - Identical
UNE 16503-2:1999 - Identical
