Patent:GB150813
Patent: | GB 150813 |
Titel: | Improvements in or relating to course and distance calculators and the like |
Datum: | 06.09.1920 |
Ort: | |
Land: | Großbritannien |
Person: | Stevens, William James (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB150813 |
- DATUM: 06.09.1920
- TITEL: Improvements in or relating to course and distance calculators and the like
- PERSON: WILLIAM JAMES STEVENS