Drilldown: Patents

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Patents > Applicant person: None & Granted: Yes & Number of figures: 17-30

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frame (13) · airplane (12) · stability (10) · Design (8) · wings (6) · marine (5) · safety (5) · construction (5) · navigation (5) · hydroaeroplane (4) · flying boat (4) · whole (4) · biplane (4)
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