SN EN 677:1999被替代
Gas-fired Central Heating Boilers - Specific Requirements For Condensing Boilers With A Nominal Heat Input Not Exceeding 70 Kw
出版：Swiss Standards
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.
ONORM EN 677:1998 - Identical
DIN EN 677 (1998-08) - Identical
BS EN 677:1998 - Identical
NEN EN 677:1998 - Identical
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
NF EN 677:1998 - Identical
