ISO 3109:1984被替代
Assembly Tools For Screws And Nuts - Hexagon Insert Bits For Hexagon Socket Head Screws
出版：International Organization for Standardization
专家解读视频
2ED 1984
DIN 7426 (1995-01) - Identical
UNI ISO 3109:1989 - Identical
SS 3388 Ed. 2 (1987) - Equivalent
BIS IS 12481:1988 (R2003) - Equivalent
UNE 16510:1991 - Identical
UNI ISO 3109 : 1989 - Identical
UNE 16510 : 1991 - Identical
UNI ISO 3109 : 1989 - Identical
