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Patents > Inventor country : Poland or RO & Grant date: 1910 - 1919

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airplane (18) · wings (12) · construction (12) · design (12) · propellers (10) · Frame (9) · Aerodynamics (9) · LTA (8) · fuselage (7) · stability (5) · landing (5) · balloon (4) · steering (4) · gas (4) · control (4)
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Showing below up to 43 results in range #1 to #43.

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