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Patent:US2147051
| Patent: | US 2147051 |
| Title: | Business machine |
| Date: | 14.02.1939 |
| Place: | Detroit |
| Country: | USA |
| Person: | Muller, Robert (P) |
| Company: | Burroughs (P) Adding Machine Comp. |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2147051 (espacenet), US2147051 (uspto) |
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