NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Standards
[CURRENT]
DIN EN 50849
; VDE 0828-1:2017-11
DIN EN 50849
; VDE 0828-1:2017-11
Sound systems for emergency purposes; German version EN 50849:2017
Title (German)
Elektroakustische Notfallwarnsysteme; Deutsche Fassung EN 50849:2017