DD ENV 50121-4:1996

Заменен

Railway applications. Electromagnetic compatibility, Emission and immunity of the signalling and telecommunications apparatus — 18 стр.

Заменен на

BS EN 50121-4:2000

ICS

33.100.20 Immunity / Защищенность

45.020 Railway engineering in general / Железнодорожная техника в целом

33.100.10 Emission / Излучение