NEN EN 12831:2004被替代
Heating Systems In Buildings - Method For Calculation Of The Design Heat Load
出版：Nederlands Normalisatie Instituut
专家解读视频
2004 AMD 11 2009 [01/03/2009]2004 [01/02/2004]DRAFT 2002 [01/11/2002]DRAFT 1997 [01/05/1997]
Supersedes NEN 5066. (04/2004)
NS EN 12831 Ed. 1 (2003) - Identical
I.S. EN 12831:2003 - Identical
UNI EN 12831:2006 - Identical
NBN EN 12831:2003 - Identical
NF EN 12831:2004 - Identical
DIN EN 12831 (2003-08) - Identical
BS EN 12831:2003 - Identical
SN EN 12831:2003 - Identical
UNE EN 12831:2003 - Identical
SS EN 12831 Ed. 1 (2003) - Identical
EN 12831:2003 - Identical
ONORM EN 12831:2003 - Identical
