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Patent:US2797863
| Patent: | US 2797863 |
| Title: | Timing Device |
| Date: | 02.07.1957 |
| Place: | |
| Country: | USA |
| Person: | H. W. Shepard, Jr. |
| Company: | |
| Internal Links: | |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US2797863 (espacenet), US2797863 (uspto) |
Aus der Patentschrift US2797863
- DATUM: 02.07.1957
- TITEL: Timing device