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Patents > Office : BE or CA or CU or DK or IN or RU & Inventor country: DE & Number of text pages: 1-2

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LTA (11) · design (7) · frame (7) · airplane (6) · propeller (4) · propulsion (4) · gas (4) · Construction (3) · balloon (3) · landing (2) · navigation (2) · flying machine (2) · Wood (2) · suspension (2) · car (2) · whole (2) · ballonet (2) · airship (2) · Lift (2)
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Showing below up to 28 results in range #1 to #28.

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