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Cologne, DE
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Patent Grant
Propeller whose blades are provided with slats
Patent number
4,840,540
Issue date
Jun 20, 1989
Deutsche Forchungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V.
Michael Kallergis
B64 - AIRCRAFT AVIATION COSMONAUTICS
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Patent Grant
Missile
Patent number
4,712,748
Issue date
Dec 15, 1987
Deutsche Forchungs- und Versuchsanstalt fur Luft- und Raumfahrt e.V.
Berthold Schafer
F42 - AMMUNITION BLASTING
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