NS EN 656:2000现行
Gas-fired Central Heating Boilers - Type B Boilers Of Nominal Heat Input Exceeding 70 Kw But Not Exceeding 300 Kw
出版：Norwegian Standards (Norges Standardiseringsforbund)
专家解读视频
Defines requirements and test procedures regarding, specifically, the construction, safety, fitness for purpose and rational use of energy, in addition to the classifying and marking of gas-fired central heating boilers fitted with atmospheric burners, fan assisted atmospheric burners or fully premixed burners.
UNI EN 656:2008 - Identical
SN EN 656:2000 - Identical
BS EN 656:2000 - Identical
DIN EN 656 (2000-01) - Identical
ONORM EN 656:2007 - Identical
NF EN 656:2000 - Identical
NBN EN 656:1999 - Identical
UNI EN 656:2002 - Identical
I.S. EN 656:2000 - Identical
UNE EN 656:2000 - Identical
SS EN 656:2000 - Identical
NEN EN 656:1999 - Identical
