Patent:US1100929
Patent: | US 1100929 |
Title: | Calculating-machine |
Date: | 23.06.1914 |
Place: | St. Louis |
Country: | USA |
Person: | Thieme, Otto (P) |
Company: | Moon-Hopkins (P) Billing Machine Co. |
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Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |
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