| Signature mark | FA 003/1226 |
|---|---|
| Subject | Akte |
| Title | Patentschriften, Anmeldungen und Mitteilungen |
| Contains | Rotorkopf mit beischwenkbaren Rotorblättern, 1967; Amerikanisches Patent für Drehkolben-Flüssigkeitsmengenzähler, 1956 |
| Duration | 1956 - 1967 |
| Subject area | Luftfahrt. Fluggeräte schwerer als Luft, mit Antrieb <740.10> |
| Rights notice | CC BY-SA 4.0 |
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