Patent:US2400244
Patent: | US 2400244 |
Title: | Calculating Machine |
Date: | 14.05.1946 |
Place: | |
Country: | USA |
Person: | Mathi, W. E. (P) |
Company: | Marchant (P) |
Internal Links: | |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
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