Patent:GB707371
Brevetto: | GB 707371 |
Titolo: | Improvements in or relating to calculating machines |
Data: | 14.04.1954 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Evans, David Silvester (P) |
Ditta: | Elliott Brothers London Ltd |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 14.04.1954
- TITEL: Improvements in or relating to calculating machines
- PERSON: ELLIOTT BROTHERS LONDON LTD
- Patent Family: ( Patent:GB707371, Patent:US2590599 )