DIN EN 677 (1998-08)被替代
Gas-fired central heating boilers - Specific requirements for condensing boilers with a nominal heat input not exceeding 70 kW
出版：German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频
Partially supersedes DIN 3368-7 issue 09-1991. (01/2003) A transition period, as set out in DIN EN 15502-2-2 issue 10-2014, exists until 31-07-2017. (10/2014)
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
ONORM EN 677:1998 - Identical
BS EN 677:1998 - Identical
NEN EN 677:1998 - Identical
SN EN 677:1999 - Identical
SS EN 677 Ed. 1 (1998) - Identical
