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Patent:US2620129
| Patent: | US 2620129 |
| Title: | Plural totalizer selecting mechanism |
| Date: | 02.12.1952 |
| Place: | Stockholm |
| Country: | USA |
| Person: | Nils Henry Börje Kristenson Sven Johan Edvard Grähs |
| Company: | AB Ekonomiregister (P) |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2620129 (espacenet), US2620129 (uspto) |
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