Patent:GB100402
Patent: | GB 100402 |
Titel: | Calculating Apparatus for use in Schools also Available for Ruling Lines |
Datum: | 03.08.1916 |
Ort: | |
Land: | Großbritannien |
Person: | Arvin, Georg Julius (P) |
Firma: | |
Links im Rechnerlexikon: | |
Schlagworte: | |
Link zum Patentamt: (ohne Garantie) | GB100402 |
- DATUM: 03.08.1916
- TITEL: Calculating Apparatus for use in Schools also Available for Ruling Lines.
- PERSON: ARVIN GEORG JULIUS DK