Die Einkaufsdatenbank für den Binnenmarkt - Made in Germany
ETCS (European Train Control System)
GSM-R (Global system for mobile communication - Railway)
Communication systems for data, voice and text transmission
Walkie-talkies
Kerstin Schreiber Uwe Lehmann
HRB 104647, Jena
1992
DE 150 103 232
