EN 24231:1989被替代
Hand- And Machine-Operated Circular Screwing Dies For Parallel Pipe Threads - G Series
出版：Comite Europeen de Normalisation
专家解读视频
1989 COR 1 1989 [01/12/1989]1989 [01/09/1989]
Also numbered as BS 1127-3(1990) & ISO 4231. (10/2005)
SN EN 24231:2009 - Identical
DS EN 24231:1990 - Identical
I.S. EN 24231:1989 - Identical
NEN ISO 4231:1990 - Identical
ONORM EN 24231:1990 - Identical
DIN EN 24231 (1990-06) - Identical
NBN EN 24231:1992 - Identical
BS 1127-3:1990 - Equivalent
NS ISO 4231 Ed. 1 (1989) - Identical
PN EN 24231:1999 - Identical
ISO 4231:1987 - Equivalent
UNE 16601:1991 - Identical
SS ISO 4231 Ed. 1 (1990) - Identical
NF EN 24231:1990 - Identical
UNI EN 24231:1990 - Identical
