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US3103978A
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Variable pitch marine screw propellers
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GB945310A
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Improvements in or relating to variable pitch marine screw propellers
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GB966214A
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Improvements in or relating to variable pitch marine screw propellers
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GB938433A
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Improvements in or relating to variable pitch marine screw propellers
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DE1019581B
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Ship propeller with adjustable pitch
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GB837862A
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Improvements in or relating to variable pitch marine screw propellers
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GB821824A
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Improvements in or relating to variable pitch marine screw propellers
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GB823526A
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Improvements in or relating to hubs for variable pitch marine screw propellers
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GB823147A
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Improvements in or relating to pitch control means for marine screw propellers
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GB815728A
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Improvements in or relating to variable pitch marine screw propellers
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US2781857A
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Hydraulically operated variable pitch marine screw propeller
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GB737097A
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Improvements in or relating to variable pitch marine screw propellers
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GB735191A
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Improvements in or relating to hydraulically operated variable pitch marine screw propellers
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GB733232A
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Improvements in or relating to variable pitch marine screw propellers
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GB700764A
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Improvements in or relating to variable pitch marine screw propellers
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GB712614A
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Improvements in or relating to variable pitch marine screw propellers
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