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Patents > Patent agent : R. S. & A. B. Lacey or Victor J. Evans & Number of figures: 1-4

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Albert Hugo Friedel (3)
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airplane (11) · frame (9) · navigation (8) · None (7) · propulsion (7) · stability (7) · propeller (6) · LTA (4) · rudder (4) · wheels (3) · safety (3)
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Showing below up to 36 results in range #1 to #36.

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