SN EN 12237:2003现行
Ventilation For Buildings - Ductwork - Strength And Leakage Of Circular Sheet Metal Ducts
出版：Swiss Standards
专家解读视频
Defines requirements and test methods for strength and air leakage of circular ductwork used in air conditioning and ventilation systems in buildings. The requirements and methods applies to rectangular ductwork in respect of air leakage.
NBN EN 12237:2003 - Identical
NF EN 12237:2003 - Identical
I.S. EN 12237:2003 - Identical
UNI EN 12237:2004 - Identical
NS EN 12237 Ed. 1 (2003) - Identical
UNE EN 12237:2003 - Identical
SS EN 12237 Ed. 1 (2003) - Identical
NEN EN 12237:2003 - Identical
ONORM EN 12237:2003 - Identical
BS EN 12237:2003 - Identical
DIN EN 12237 (2003-07) - Identical
