ISO 9090:1989现行
Gas tightness of equipment for gas welding and allied processes
出版：International Organization for Standardization
专家解读视频
SS ISO 9090 Ed. 2 (1992) - Identical
SS EN 29090 Ed. 1 (1992) - Identical
UNE EN 29090:1993 - Identical
PN EN 29090:1996 - Identical
NS ISO 9090 Ed. 1 (1992) - Identical
UNI EN 29090:1994 - Equivalent
NF EN 29090:1992 - Identical
I.S. EN 29090:1993 - Identical
NBN EN 29090:1992 - Identical
BS EN 29090:1992 - Equivalent
DIN ISO 9090 (1990-02) - Identical
ONORM EN 29090:1992 - Identical
NEN ISO 9090:1992 - Identical
SN EN 29090:1996 - Identical
BS 7278:1990 - Similar
