Drilldown: Patents

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Patents > Number of text pages: 3-40 & Number of claims: 11 & Number of diagram pages: 3-4

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frame (8) · airplane (8) · design (7) · stability (6) · propulsion (6) · LTA (5) · None (4) · Airship (4) · automatic stability (4) · propellers (4) · marine (3) · construction (3) · chassis (3) · propeller (3) · fuselage (3) · wings (3)
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