
Air conditioners, liquid chilling packages and heat pumps with electrically driven compressors. Heating mode. Requirements for space heating and sanitary hot water units
出版:British Standards Institution

专家解读视频
97 [15/08/1997]
© British Standards Institution 2013
NBN EN 255-4:1997 - Identical
ONORM EN 255-4:1998 - Identical
DIN EN 255-4 (1997-07) - Identical
NEN EN 255-4:1997 - Identical
SN EN 255-4:1997 - Identical
NF EN 255-4:1997 - Identical
UNI EN 255-4:1998 - Identical
I.S. EN 255-4:1997 - Identical
NS EN 255-4 Ed. 1 (1997) - Identical
UNE EN 255-4:1999 - Identical
SS EN 255-4 Ed. 1 (1997) - Identical