
Steels - Determination and verification of the depth of carburized and hardened cases (ISO 2639:2002)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

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