Patent:GB106246
Brevetto: | GB 106246 |
Titolo: | A Device for use in Measuring the Areas of Plane Figures. |
Data: | 17.05.1917 |
Luogo: | |
Nazione: | Gran Bretagna |
Persona: | Bridge Norman Cressy |
Ditta: | |
Link interni: | |
Keywords: | |
Link al brevetto: (without guarantee) | GB106246 |
- DATUM: 17.05.1917
- TITEL: A Device for use in Measuring the Areas of Plane Figures.
- PERSON: BRIDGE NORMAN CRESSY GB