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Patents > Inventor country: DE & Family year: 1900 - 1909 & Number of diagram pages: 2-6

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LTA (14) · propulsion (14) · Airship (11) · Design (9) · subsystem (8) · frame (7) · airplane (6) · stability (5) · Construction (5) · navigation (4) · ascension (4) · Propellers (4) · flapping (4) · hybrid (4) · None (3) · sail (3) · Hangars (3) · balloon (3) · propeller (3) · Infrastructure (3)
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