
Copper and copper alloys. Seamless, round tubes for general purposes
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
NS EN 12449 Ed. 1 (1999) - Identical
I.S. EN 12449:1999 - Identical
UNI EN 12449:2001 - Identical
NBN EN 12449:1999 - Identical
NF EN 12449:1999 - Identical
ONORM EN 12449:1999 - Identical
DIN EN 12449 (1999-10) - Identical
SN EN 12449:1999 - Identical
UNE EN 12449:2000 - Identical
SS EN 12449 Ed. 1 (2000) - Identical
NEN EN 12449:1999 - Identical