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Patents > Year granted: 1911 & Inventor country: DE & Applicant person: None

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LTA (21) · car (9) · None (7) · airship (6) · frame (6) · subsystem (6) · propeller (5) · airplane (5) · navigation (5) · balloon (4) · rigid (4) · gas (4) · Design (4) · nacelle (4) · Infrastructure (3) · jet (3) · Hangars (3) · stability (3) · propulsion (3)
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