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Patents > Year granted: 1919 & Patent agent : J. Germain or Lavoix et Mosès

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construction (5) · Airplane (5) · None (3) · safety (3) · ribs (3) · Motors (3) · military (3) · Dirigibles (3) · control (3) · LTA (3) · biplane (2) · Design (2) · Propellers (2) · Propulsion (2) · whole (2)
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Showing below up to 33 results in range #1 to #33.

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