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Patents > National tech categories : AT 77d or USPC 123/41.48 & Number of claims: 6-10

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wings (6) · frame (6) · airplane (4) · LTA (4) · Flapping (4) · propulsion (3) · Biplane (3) · military (3) · Design (3) · gas (3) · subsystem (2) · safety (2) · propeller (2) · projectile (2) · HTA (2) · Helicopter (2) · None (2) · balloon (2) · Construction (2)
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Showing below up to 23 results in range #1 to #23.

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