
Welding Consumables - Wire Electrodes, Wires, Rods And Deposits For Gas Shielded Arc Welding Of Creep-Resisting Steels - Classification (Iso 21952:2012)
出版:Norwegian Standards (Norges Standardiseringsforbund)

专家解读视频
2012 [01/08/2012]2007 [01/03/2008]
Supersedes NS EN 12070. (03/2008)
I.S. EN ISO 21952:2012 - Identical
NEN EN ISO 21952:2012 - Identical
BS EN ISO 21952:2012 - Identical
SS EN ISO 21952 Ed. 2 (2012) - Identical
NF EN ISO 21952:2012 - Identical
ONORM EN ISO 21952:2012 - Identical
DIN EN ISO 21952 (2012-08) - Identical
SN EN ISO 21952:2012 - Identical