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Patents > Grant date: 1913 & Number of claims: 2 & Number of figures: 3-4

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airplane (14) · frame (8) · construction (7) · propulsion (7) · propellers (6) · design (5) · LTA (5) · stability (5) · safety (4) · airship (4) · navigation (4) · parachute (3) · None (3) · HTA (3) · subsystem (3) · dirigible (3)
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None (8) · CPC B64C2700/6295 (2) · CPC B64C35/00 (2) · CPC B64C17/00 (2) · CPC B64C11/006 (2) · CPC B64C11/001 (2) · CPC B64D17/00 (2)
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