NBN EN 61534-21:2006被替代
Powertrack Systems - Part 21: Particular Requirements For Powertrack Systems Intended For Wall And Ceiling Mounting
出版：Belgian Standards
专家解读视频
Specifies the particular requirements and tests for PT systems intended for mounting on walls and/or ceiling.
UNE EN 61534-21:2007 - Identical
I.S. EN 61534-21:2006 - Identical
NF EN 61534-21:2006 - Identical
DIN EN 61534-21 (2007-06) - Identical
EN 61534-21:2014 - Identical
BS EN 61534-21:2014 - Identical
SS EN 61534-21 Ed. 1 (2006) - Identical
SS EN 61534-21 Ed. 2 (2014) - Identical
BS EN 61534-21:2006 - Identical
