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Patent:CH170134
| Patent: | CH 170134 |
| Title: | Rechenapparat |
| Date: | 01.09.1934 |
| Place: | Halten b. Solothurn |
| Country: | Switzerland |
| Person: | Walter Jäggi |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  CH170134 |
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