| Signature mark | NL 197/015 |
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| Subject | Patentschrift (5) |
| Title | Rückgekoppelte Verstärkeranordnung und Verfahren zur Änderung der Frequenzbandbreite elektrisch übertragener Nachrichten |
| Contains | Zur Verstärkeranordnung: Deutschland, Nr. 634.398; Tschechoslowakei, Nr. 57.110; zur Frequenzbandänderung: Deutschland, Nr. 728.838; Schweden, Nr. 112.940; Frankreich, Nr. 871.283; Italien, Nr. 396.256. |
| Duration | 1939 - 1945 |
| Scope | 41 Bl. hs. u. gedr. |
| Formal information | Languages: Englisch , fra , Deutsch , Italienisch , Schwedisch |
| Rights notice | CC BY-SA 4.0 |
| Permalink | https://digital-dev.deutsches-museum.de/item/NL-197-015 |
| XML data set |
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