Patent:US343770
Patent: | US 343770 |
Title: | Adding Machine |
Date: | 15.06.1886 |
Place: | |
Country: | USA |
Person: | P.T. Lindholm |
Company: | |
Internal Links: | Kolonnenaddierer |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |

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Patent: | US 343770 |
Title: | Adding Machine |
Date: | 15.06.1886 |
Place: | |
Country: | USA |
Person: | P.T. Lindholm |
Company: | |
Internal Links: | Kolonnenaddierer |
Keywords: | |
Link to the patent office: (without guarantee) | ![]() ![]() |