NBN EN 61821:2003被替代
Electrical Installations For Lighting And Beaconing Of Aerodromes - Maintenance Of Aeronautical Ground Lighting Constant Current Series Circuits
出版：Belgian Standards
专家解读视频
Applies to the maintenance of AGL constant current series circuits.
I.S. EN 61821:2003 - Identical
NF EN 61821:2003 - Identical
DIN EN 61821 (2003-07) - Identical
BS EN 61821:2003 - Identical
SN EN 61821:2003 - Identical
EN 61821:2011 - Identical
