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Patents > IPCs : IPC B64C27/04 or IPC F02B75/28 & Number of diagram pages: 2-7

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Inventors:
Alexis Beurrier (5) · Édouard-Jean Bigourdan (5) · None (3) · Louis Lacoin (3)
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Applicant person:
Alexis Beurrier (5) · None (4) · Édouard-Jean Bigourdan (3) · Louis Lacoin (3)
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Tech fields:
helicopter (23) · propellers (8) · Airplane (8) · propulsion (8) · hybrid (7) · None (5) · ascension (5) · heavier-than-air (5) · propeller (4) · design (2) · HTA (2) · navigation (2) · stability (2) · steering (2) · landing (2) · braking (2) · wheels (2) · control (2) · descent (2) · frame (2)
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Showing below up to 43 results in range #1 to #43.

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