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Patent:FR2542114
| Patent: | FR 2542114 |
| Title: | Advertising support in the form of a Slide Rule |
| Date: | 07.09.1984 |
| Place: | |
| Country: | France |
| Person: | Galoche Gerard |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  FR2542114 |
Aus der Patentschrift FR2542114