Intercontinental radiotelephone service from the United States /
| Hlavní autor: | |
|---|---|
| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
New York :
Bell Telephone Laboratories,
[1931].
|
| Edice: |
Bell Telephone System technical publications. Monograph ;
B-604 (Radio) |
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