
Bright steel products. Technical delivery conditions. Case-hardening steels
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
I.S. EN 10277-4:1999 - Identical
UNI EN 10277-4:2000 - Identical
NF EN 10277-4:1999 - Identical
NBN EN 10277-4:1999 - Identical
ONORM EN 10277-4:1999 - Identical
DIN EN 10277-4 (1999-10) - Identical
SN EN 10277-4:1999 - Identical
NS EN 10277-4 Ed. 1 (1999) - Identical
UNE EN 10277-4:2000 - Identical
SS EN 10277-4 Ed. 1 (1999) - Identical
NEN EN 10277-4:1999 - Identical