NS EN 1434-4 Ed. 2 (2007)被替代
Heat Meters - Part 4: Pattern Approval Tests
出版：Norwegian Standards (Norges Standardiseringsforbund)
專家解讀視頻
Applicable to heat meters for measuring heat in a heat-exchange circuit which is absorbed or given up by the heat-conveying liquid in legal units. Does not include electrical safety requirements.
UNE EN 1434-4:2007 - Identical
SS EN 1434-4 Ed. 2 (2007) - Identical
I.S. EN 1434-4:2007 - Identical
NF EN 1434-4:2007 - Identical
UNI EN 1434-4:2007 - Identical
NBN EN 1434-4:2007 - Identical
ONORM EN 1434-4:2007 - Identical
DIN EN 1434-4 (2007-05) - Identical
BS EN 1434-4:2007 - Identical
SN EN 1434-4:2007 - Identical
NEN EN 1434-4:2007 - Identical
