Patent:GB666454
Patent: | GB 666454 |
Title: | Improvements in or relating to mathematical instruments |
Date: | 13.02.1952 |
Place: | |
Country: | Great Britain |
Person: | Clifford Percival Stutchbury |
Company: | |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
- DATUM: 13.02.1952
- TITEL: Improvements in or relating to mathematical instruments
- PERSON: CLIFFORD PERCIVAL STUTCHBURY