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Patent:US2684199
| Patent: | US 2684199 |
| Title: | Counting or number registering mechanism |
| Date: | 20.07.1954 |
| Place: | Amsterdam und Zandvoort und Leiden |
| Country: | USA |
| Person: | Remmer W. Starreveld Theodorus Reumerman Willem Hendrik Theodorus Helmig |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2684199 (espacenet), US2684199 (uspto) |
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