Rating the transmission performance of telephone circuits /
| Hlavní autor: | |
|---|---|
| Typ dokumentu: | Kniha |
| Jazyk: |
angličtina |
| Vydavatel: |
New York :
Bell Telephone Laboratories,
1931.
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| Edice: |
Bell Telephone System technical publications. Monograph ;
B-541 (February 1931) |
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