Telecommunication Journal, 48. sējumsInternational Telecommunication Union, 1981 |
No grāmatas satura
1.–3. rezultāts no 78.
2. lappuse
... EXCHANGES EXCHANGE 81 / 09-551 FRANCE : KINETIC ENERGY WHEEL OPERATING IN A RURAL TELEPHONE 81 / 10-609 81 / 08-490 EURODATA 79 -- THE GROWTH OF DATA COMMUNICATIONS IN WESTERN EUROPE BENEDETTI M. GERMANY ( FED.REP.OF ) : DATEX - P , NEW ...
... EXCHANGES EXCHANGE 81 / 09-551 FRANCE : KINETIC ENERGY WHEEL OPERATING IN A RURAL TELEPHONE 81 / 10-609 81 / 08-490 EURODATA 79 -- THE GROWTH OF DATA COMMUNICATIONS IN WESTERN EUROPE BENEDETTI M. GERMANY ( FED.REP.OF ) : DATEX - P , NEW ...
377. lappuse
... exchanges and local telephone cables . The first manual exchanges and telephones produced in Poland were delivered in 1946 and the first auto- matic Strowger exchanges in 1948. These ex- changes were thoroughly modernized in 1956. In ...
... exchanges and local telephone cables . The first manual exchanges and telephones produced in Poland were delivered in 1946 and the first auto- matic Strowger exchanges in 1948. These ex- changes were thoroughly modernized in 1956. In ...
384. lappuse
... exchanges will be connected hierarchically to the outgoing and incoming trunk exchanges subordinated to them . The connections will be ef- fected by low loss circuit groups . The nodal trunk exchanges will also have direct links with ...
... exchanges will be connected hierarchically to the outgoing and incoming trunk exchanges subordinated to them . The connections will be ef- fected by low loss circuit groups . The nodal trunk exchanges will also have direct links with ...
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Basic Indices for Ionospheric Propagation | 6 |
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