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Patents > Tech fields: propellers & IPCs: IPC B64C39/00

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Louis Blériot (4) · Isaac Bell (2) · Paul Dherbès (2) · John William Harrison (2) · Mathias Hartz (2) · Maurice-Émile Primard (2) · Arkady Iospé (2) · Augustus Moore Herring (2)
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Louis Blériot (4) · Isaac Bell (2) · Paul Dherbès (2) · John William Harrison (2) · Mathias Hartz (2) · Maurice-Émile Primard (2) · Arkady Iospé (2) · Augustus Moore Herring (2)
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None (3)
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Showing below up to 57 results in range #1 to #57.

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