Patent:GB497441
Patent: | GB 497441 |
Title: | Improvements in and relating to Calculating Machines |
Date: | 20.12.1938 |
Place: | Orange, NJ |
Country: | Great Britain |
Person: | |
Company: | Monroe (P) Calculating Machine Comp. |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() |
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