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Patent:US2731197
| Patent: | US 2731197 |
| Title: | Pin box control mechanism |
| Date: | 17.01.1956 |
| Place: | Chicago und Knoxville, TN |
| Country: | USA |
| Person: | Parker, Charles (P) Rainey, Clifton (P) |
| Company: | Burroughs (P) Corp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2731197 (espacenet), US2731197 (uspto) |
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