NEN EN 89:1999被替代
Gas-fired Storage Water Heaters For The Production Of Domestic Hot Water
出版：Nederlands Normalisatie Instituut
专家解读视频
Gives specifications and test procedures for construction, safety, rational use of energy and fitness for purpose, environment and classification and marking of gas-fired storage domestic water heaters.
SS EN 89:1999 - Identical
UNI EN 89:2008 - Identical
SN EN 89:2000 - Identical
BS EN 89:2000 - Identical
DIN EN 89 (2007-06) - Identical
ONORM EN 89:2007 - Identical
NBN EN 89:1999 - Identical
UNI EN 89:2003 - Identical
I.S. EN 89:2000 - Identical
NS EN 89:2000 - Identical
UNE EN 89:2000 - Identical
