Patent:GB497641
Patent: | GB 497641 |
Titel: | Improvements in and relating to devices for determining telephone |
Datum: | 19.12.1938 |
Ort: | |
Land: | Großbritannien |
Person: | Karl Leichthammer, Carl Lehner, Meta Gadesmann, |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB497641 |
- DATUM: 19.12.1938
- TITEL: Improvements in and relating to devices for determining telephone charges from manually set data
- PERSON: CARL LEHNER
- Patent Family: ( Patent:DE737855, Patent:GB497641 )