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Patents > Year granted: 1910 - 1919 & Office : CA or DE or HU or Other & Inventor country : AH or MX

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Tech fields:
Airplane (8) · Frame (6) · Airship (4) · propulsion (4) · construction (4) · None (3) · wings (3) · Whole (3) · stability (3) · propellers (3) · Design (3) · dirigible (3) · propeller (2) · navigation (2) · method (2) · fuselage (2) · kite (2) · control (2) · balloon (2)
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