ISO 8991:1986现行
Designation system for fasteners
出版：International Organization for Standardization
专家解读视频
DS ISO 8991:1988 - Identical
GB/T 1237-2000 - Equivalent
SANS 1700-3-13 Ed. 1 (1996/R2009) - Identical
JIS B 1010:2003 - Identical
NEN EN ISO 899-1:2003 - Identical
BS EN ISO 899-1:2003 - Identical
UNI 3740-1:1999 - Equivalent
PN ISO 8991:1996 - Identical
SS EN ISO 899-1 Ed. 2 (2003) - Identical
BIS IS 1367-16:2002 - Identical
