Patent:GB358675
Brevetto: | GB 358675 |
Titolo: | Improvements in writing adding machines |
Data: | 15.10.1931 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | |
Ditta: | Elliott Fisher (P) |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 15.10.1931
- TITEL: Improvements in writing adding machines
- PERSON: ELLIOTT FISHER CO