
Electrical Installations For Lighting And Beaconing Of Aerodromes - Maintenance Of Aeronautical Ground Lighting Constant Current Series Circuits (iec 61821:2011)
出版:Verband Deutscher Elektrotechniker

专家解读视频
2012 [01/08/2012]2003 [01/07/2003]
Supersedes DIN IEC 97-31-CD (07/2003) Supersedes DIN IEC 61821. (08/2012)
EN 61821:2011 - Identical
NBN EN 61821:2012 - Identical
NF EN 61821:2013 - Identical
NF EN 61821:2003 - Identical