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Patents > Application number: None & CPCs : CPC B64C11/006 or CPC F01D5/06

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None (123) · William H. Holland (3) · William R. Manley (2)
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None (137) · William H. Holland (3)
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None (122) · propulsion (16) · marine (13) · paddle-wheel (13) · propeller (12) · paddle wheel (6) · Propellers (5) · Windmill (5) · paddle wheels (3) · navigation (3) · sail (2) · aerodynamics (2) · flapping (2) · Subsystem (2) · marine propellers (2) · paddle-wheels (2)
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