Conduit systems for electrical installations : part 2-4: particular requirements for conduit systems buried underground: EN 50086 -2-4: March 1994 / European Commitee for Electrothecnical Standardization
EN 50094/A1 : February 1995: access control system for the MAC/packet family: EUROCRYPT / European Commitee for Electrothecnical Standardization
EN 50094 : zugriffskontrollsystem fur die MAC/paket-familie: EUROCRYPT / Europaisches Komitee Fur Elektrotechnische Normung
EN 50094 : access control system for the MAC/packet family: EUROCRYPT / European Commitee for Electrothecnical Standardization