Patent:GB189922566
Brevetto: | GB 189922566 |
Titolo: | Adding and Subtracting Machine with a Distant Total or Difference Indicator |
Data: | 29.09.1900 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Schwarz, Gustav (P), Schwarz, Rudolf (P) |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 29.09.1900
- TITEL: Adding and Subtracting Machine with a Distant Total or Difference Indicator.
- PERSON: SCHWARZ GUSTAV
