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Patent:US1143240
| Patent: | US 1143240 |
| Title: | Multiple zero escapement mechanism |
| Date: | 15.06.1915 |
| Place: | St. Louis |
| Country: | USA |
| Person: | Thieme, Otto (P) |
| Company: | Moon-Hopkins (P) Billing Machine Co. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US1143240 (espacenet), US1143240 (uspto) |
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