Drilldown: Patents

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Patents > Year granted: 1910 - 1919 & Inventor country: DE & Number of claims: 7-15

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LTA (13) · Airship (11) · Subsystem (10) · Airplane (10) · gas (8) · ballonet (7) · balloon (7) · frame (7) · stability (6) · safety (6) · fabric (5) · control (4) · Propulsion (4) · navigation (4) · landing (4) · None (4)
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