NEN EN 13077:2003被替代
Devices To Prevent Pollution By Backflow Of Potable Water - Air Gap With Non-circular Overflow (unrestricted) - Family A-type B
出版：Nederlands Normalisatie Instituut
专家解读视频
Defines the characteristics and the requirements of air gap with non-circular overflow (unrestricted) Family A, type B for nominal flow velocity not exceeding 3 m/s.
Draft issued in March 2006.
(04/2006)
UNI EN 13077:2004 - Identical
NBN EN 13077:2004 - Identical
NF EN 13077:2004 - Identical
SN EN 13077:2003 - Identical
BS EN 13077:2003 - Identical
DIN EN 13077 (2004-02) - Identical
I.S. EN 13077:2003 - Identical
NS EN 13077 Ed. 1 (2004) - Identical
UNE EN 13077:2004 - Identical
SS EN 13077 Ed. 1 (2004) - Identical
ONORM EN 13077:2004 - Identical
