Patent:GB190112590
Brevetto: | GB 190112590 |
Titolo: | Improvements in Calculating Machines |
Data: | 07.09.1901 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Trinks, Franz (P) |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 07.09.1901
- TITEL: Improvements in Calculating Machines.
- PERSON: TRINKS FRANZ DE