Patent:US1404280
Brevetto: | US 1404280 |
Titolo: | Mechanical adding-key store |
Data: | 24.01.1922 |
Luogo: | |
Nazione: | Stati Uniti |
Persona: | Cox Jesse, Alexander Klein, Dixon Thomas |
Ditta: | Dixon Dev Company |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() ![]() |
- DATUM: 24.01.1922
- TITEL: Mechanical adding-key store
- PERSON: DIXON DEV COMPANY