Patent:US2377065
Brevetto: | US 2377065 |
Titolo: | Selective ratio transmission for driving calculating machine actuators |
Data: | 29.05.1945 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Avery, Harold (P) |
Ditta: | Marchant (P) |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 29.05.1945
- TITEL: Selective ratio transmission for driving calculating machine actuators
- PERSON: MARCHANT CALCULATING MACHINE C