Patent:GB191508034
Brevetto: | GB 191508034 |
Titolo: | Improvements in Machines for Calculating and Recording Data Borne by Shaped Record Cards |
Data: | 15.07.1915 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Ketley Charles Bosworth |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 15.07.1915
- TITEL: Improvements in Machines for Calculating and Recording Data Borne by Shaped Record Cards.
- PERSON: KETLEY CHARLES BOSWORTH