
Fasteners - Clearance holes for bolts and screws
出版:International Organization for Standardization

专家解读视频
UNE EN 20273:1992 - Identical
SS ISO 273 Ed. 1 (1985) - Identical
BIS IS 1821:1987 (R2003) - Identical
SS EN 20273 Ed. 1 (1992) - Identical
NS 69:1970 - Similar
BS 4186:1984 - Identical
NFE 25 017:2006 - Similar
NS 5741 Ed. 1 (1984) - Identical
PN EN 20273:1998 - Identical
NFE 25 517:1986 - Similar
UNI EN 20273:1992 - Equivalent
NF EN 20273:1992 - Identical
I.S. EN 20273:1992 - Identical
NBN E 29 310:1979 - Identical
BS EN 20273:1992 - Identical
DIN EN 20273 (1992-02) - Identical
ONORM EN 20273:1992 - Identical
JIS B 1001:1985 - Equivalent
NEN ISO 273:1996 - Identical
SNV DIN EN 20273:1992 - Identical
KS B ISO 273:2010 - Modified