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Fluid reaction surfaces (i.e., impellers)
Multiple axially spaced working members
Circumferentially offset
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Propeller blades
Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Circumferentially offset
Patent
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Propeller for aircraft or the like
Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Circumferentially offset
Patent
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Propeller for ship
Fluid reaction surfaces (i.e. – impellers) – Multiple axially spaced working members – Circumferentially offset
Patent
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