
Steels - Determination And Verification Of The Depth Of Carburized And Hardened Cases
出版:Italian Standards

专家解读视频
2006 [26/10/2006]
ONORM EN ISO 2639:2003 - Identical
ISO 2639:2002 - Identical
NEN EN ISO 2639:2002 - Identical
SS EN ISO 2639 Ed. 1 (2002) - Identical
UNE EN ISO 2639:2004 - Identical
NS EN ISO 2639 Ed. 1 (2002) - Identical
I.S. EN ISO 2639:2002 - Identical
NF EN ISO 2639:2003 - Identical
NBN EN ISO 2639:2003 - Identical
DIN EN ISO 2639 (2003-04) - Identical
BS EN ISO 2639:2002 - Identical
SN EN ISO 2639:2003 - Identical