Patent:GB577940
Brevetto: | GB 577940 |
Titolo: | Improvements in or relating to electrically operated calculating apparatus |
Data: | 06.06.1946 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | George Clifford Hartley, Leslie Baines Haigh |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 06.06.1946
- TITEL: Improvements in or relating to electrically operated calculating apparatus
- PERSON: STANDARD TELEPHONES CABLES LTD
- Patent Family: ( Patent:BE480690, Patent:CH274563, Patent:FR933318, Patent:GB577940, Patent:US2444042 )