I.S. EN 29090:1993现行
Gas Tightness Of Equipment For Gas Welding And Allied Processes
出版：National Standards Authority of Ireland
专家解读视频
Specifies the maximum external leakage rates which are acceptable for equipment used for welding, cutting and allied processes.
UNE EN 29090:1993 - Identical
ISO 9090:1989 - Identical
UNI EN 29090:1994 - Identical
NF EN 29090:1992 - Identical
NBN EN 29090:1992 - Identical
SN EN 29090:1996 - Identical
ONORM EN 29090:1992 - Identical
BS EN 29090:1992 - Identical
SS EN 29090 Ed. 1 (1992) - Identical
