AT 77b
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Classe/Klasse 77: Sport, Spiele, Volksbelustigung, Luftschiffahrt
- 77b: ?
A toy airplane with classic hand-turned 'rubber band' propulsion was classified as 77b.
This wiki has 2 patents in category "AT 77b".
Patents in category AT 77b
- Patent AT-1910-45369 (English title: Toy Airplane, Inventors: Raimund Hengl, Filing date: 1909-09-02)
- Patent AT-1911-53967 (English title: Toy kite in the shape of an Airship, Inventors: Robert Kurt Möbius, Supplementary to patent: Patent FR-1910-422033, Filing date: 1911-06-10)
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