Nemesio Ramirez Lemos

Stamps Category Communications Nemesio Ramirez Lemos

25th anniversary
Germany
Transmission of messages in the cable - and wireless connection (DDR).
Germany
Telephone devices of the Age (Philipp Reis Telephone,1861)DDR.
Germany
Introduction of the five-digit postal code system.
Germany
Promotes research.
Germany
Television.
Germany
Television.
Germany
EUROPE, CEPT, ISDN, language text image data.
Germany
World Telecommunications Day 1978 Dequede television tower (DDR).
Germany
World Communications Year (DDR).
Germany