Patent:GB476164
Brevetto: | GB 476164 |
Titolo: | Improvements in or relating to electrical calculating machines |
Data: | 29.11.1937 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Blackburn, Charles (P) |
Ditta: | Electrical Improvements Ltd |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 29.11.1937
- TITEL: Improvements in or relating to electrical calculating machines
- PERSON: ELECTRICAL IMPROVEMENTS LTD
- Patent Family: ( Patent:GB476164, Patent:US2319106 )