Philipp, Franz
- Philipp FRALI Series 1-6 Sonnenstrahl (Sun Ray) solar-powered aircraft projects and rockets 1934-1938
- Philipp Greif (Griffon) Solar-powered disc aircraft project
- Philipp Sonnenflieger (Sun Flyer) solar-powered disc aircraft project, 1938
Read more about this topic: List Of Military Aircraft Of Germany By Manufacturer
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