
Gas-Fired Central Heating Boilers - Type B11 And B11bs Boilers Fitted With A Atmospheric Burners Of Nominal Heat Input Not Exceeding 70 Kw
出版:Asociacion Espanola de Normalizacion

专家解读视频
1995 A2/CORR 2006 [20/09/2006]1995 A4 2005 [18/05/2005]1995 A6 2003 [17/10/2003]1995 A5 1999 [08/02/1999]1995 A3 1997 [24/05/1997]1995 A2 1996 [24/10/1996]1995 [24/09/1995]
Supersedes UNE 60751. (07/2003)
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
SS EN 297:1994 - Identical
UNI EN 297:2007 - Identical
SN EN 297:1998 - Identical
NEN EN 297:1994 - Identical
ONORM EN 297:2006 - Identical
DIN EN 297 (2005-10) - Identical
BS EN 297:1994 - Identical