ONORM EN 297:2006被替代
Gas-fired Central Heating Boilers - Type B Boilers, Fitted With Atmospheric Burners Of Nominal Heat Input Not Exceeding 70 Kw
出版：Osterreichisches Normungsinstitut
專家解讀視頻
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.
NBN EN 297:1994 - Identical
UNI EN 297:1996 - Identical
I.S. EN 297:1994 - Identical
NF EN 297:1994 - Identical
NS EN 297:1994 - Identical
UNE EN 297:1995 - Identical
SS EN 297:1994 - Identical
UNI EN 297:2007 - Identical
SN EN 297:1998 - Identical
NEN EN 297:1994 - Identical
DIN EN 297 (2005-10) - Identical
BS EN 297:1994 - Identical
