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Patent:US4014101
| Patent: | US 4014101 |
| Title: | Ellipse drawing instrument |
| Date: | 29.03.1977 |
| Place: | Shijonawate, JA |
| Country: | USA |
| Person: | Mizukawa, Suehiro |
| Company: | |
| Internal Links: | Ellipsograph |
| Keywords: | |
| Link to the patent office: (without guarantee) |  US4014101 (espacenet), US4014101 (uspto) |
Aus der Patentschrift US4014101
- DATUM: 29.03.1977
- TITEL: Ellipse drawing instrument
- PERSON: SHINICHI YAMAOKA
- Patent Family: ( Patent:DE2554487, Patent:DE2554487, Patent:DE2554487, Patent:JP968065C, Patent:JP51066034, Patent:JP53032721B, Patent:US4014101 )