ISO 1174被替代
Assembly Tools For Bolts And Screws - Driving Squares For Power Socket Wrenches And Hand Socket Wrenches
出版：International Organization for Standardization
专家解读视频
AMD 1 19811975
Also numbered as AS 3994.
(10/2006)
DIN 3121 (1993-12) - Equivalent
UNI ISO 1174:1990 - Identical
DIN 3120 (1993-12) - Equivalent
ONORM M 1612:1981 - Identical
AS 3994-1992 - Equivalent
UNE 16503:1991 - Identical
