NF EN 677:1998现行
Gas-fired Central Heating Boilers - Specific Requirements For Condensing Boilers With Nominal Heat Input Not Exceeding 70 Kw
出版：Association Francaise de Normalisation
专家解读视频
Applicable to gas-fired central heating boilers, known as "condensing boilers" of types B (not including appliances without a fan) and to those using one or more gases corresponding to the three gas families and where the nominal heat input is not in excess of 70 kW.
Indice de Classement: D35-346 Supersedes NFD 35 338 (04/2002)
SS EN 677 Ed. 1 (1998) - Identical
UNE EN 677:1998 - Identical
NS EN 677 Ed. 1 (1998) - Identical
I.S. EN 677:1998 - Identical
UNI EN 677:2000 - Identical
NBN EN 677:1998 - Identical
ONORM EN 677:1998 - Identical
DIN EN 677 (1998-08) - Identical
BS EN 677:1998 - Identical
NEN EN 677:1998 - Identical
SN EN 677:1999 - Identical
