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Patent:HU173993
| Patent: | HU 173993 |
| Title: | Digital planimeter |
| Date: | 28.10.1979 |
| Place: | |
| Country: | Hungary |
| Person: | Ernoe Bayer |
| Company: | Foeldmeresi Intezet |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  HU173993 |
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