Patent:GB190620728
Brevetto: | GB 190620728 |
Titolo: | Improvements in or relating to Adding or Calculating Machines |
Data: | 12.09.1907 |
Luogo: | Detroit |
Nazione: | Gran Bretagna |
Persona: | |
Ditta: | Burroughs (P) |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 12.09.1907
- TITEL: Improvements in or relating to Adding or Calculating Machines.
- PERSON: BOULT ALFRED JULIUS GB