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Patents > Inventor country: DE & Number of claims: 8-17 & Number of diagram pages: 1-2

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LTA (9) · airplane (8) · propulsion (6) · frame (6) · balloon (6) · ballonet (5) · stability (5) · gas (5) · safety (4) · flapping (4) · navigation (4) · wings (4) · electricity (3) · control (3) · fabric (3) · military (3) · airship (3) · whole (3) · landing (3)
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