SN EN 297:1998被替代
Gas-fired Central Heating Boilers - Type B11 And B11bs Boilers Fitted With Atmospheric Burners Of Nominal Heat Input Non Exceeding 70 Kw
出版：Swiss Standards
专家解读视频
Specifies the requirements and test methods for the construction, safety, fitness for purpose, rational use of energy, classification and marking of gas fired central heating boilers.
BS EN 297:1994 - Identical
DIN EN 297 (2005-10) - Identical
ONORM EN 297:2006 - Identical
NEN EN 297:1994 - Identical
UNI EN 297:2007 - Identical
SS EN 297:1994 - Identical
UNE EN 297:1995 - Identical
NS EN 297:1994 - Identical
NF EN 297:1994 - Identical
I.S. EN 297:1994 - Identical
UNI EN 297:1996 - Identical
NBN EN 297:1994 - Identical
