NA 022
DKE German Commission for Electrical, Electronic & Information Technologies of DIN and VDE
Technical rule
[CURRENT]
UIC A 118 RP 4
; ERRI A 118 RP 4:1974-04-01
UIC A 118 RP 4
; ERRI A 118 RP 4:1974-04-01
USE OF ELECTRONIC COMPONENTS IN SIGNALLING - Nonelectrical environment in the case of electronic signalling systems
Title (German)
VERWENDUNG VON ELEKTRONISCHEN BAUELEMENTEN IN DER SIGNALTECHNIK - Nichtelektrische Umweltbedingungen bei elektronischen Signalinstallationen