
Copper and copper alloys. Seamless, round tubes for heat exchangers
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
SN EN 12451:1999 - Identical
DIN EN 12451 (1999-10) - Identical
ONORM EN 12451:1999 - Identical
NBN EN 12451:1999 - Identical
NF EN 12451:1999 - Identical
UNI EN 12451:2000 - Identical
I.S. EN 12451:1999 - Identical
NS EN 12451 Ed. 1 (1999) - Identical
UNE EN 12451:2000 - Identical
SS EN 12451 Ed. 1 (2000) - Identical
NEN EN 12451:1999 - Identical