Patent:GB190907731
Brevetto: | GB 190907731 |
Titolo: | Improvements in Calculating Scales |
Data: | 09.09.1909 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Smith, Rudolph Charles (P) |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | ![]() |
- DATUM: 09.09.1909
- TITEL: Improvements in Calculating Scales.
- PERSON: SMITH RUDOLPH CHARLES US