I.S. EN 439:1995被替代
Welding Consumables - Shielding Gases For Arc Welding And Cutting
出版：National Standards Authority of Ireland
专家解读视频
Applies to gas shielded arc welding and cutting processes with gases and gas mixture defined within.
UNE EN 439:1995 - Identical
NS EN 439 Ed. 1 (1994) - Identical
NF EN 439:1994 - Identical
UNI EN 439:1996 - Identical
NBN EN 439:1994 - Identical
BS EN 439:1994 - Identical
DIN EN 439 (1995-05) - Identical
ONORM EN 439:1995 - Identical
NEN EN 439:1994 - Identical
SN EN 439:1994 - Identical
SS EN 439 Ed. 1 (1995) - Identical
