Patent:GB190724489
Brevetto: | GB 190724489 |
Titolo: | Improvements in Adding Machines |
Data: | 05.11.1908 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Hinchman, George Nichols (P) |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 05.11.1908
- TITEL: Improvements in Adding Machines.
- PERSON: HINCHMAN GEORGE NICHOLS US