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US3989062A
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Source fluid supply and pressure control system for hydraulic motors
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US3885583A
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Pressure compensating valve mechanism for hydraulic control valves
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US3934742A
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Valve mechanism for automatic control of a number of fluid motors
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DE2350380A1
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Control plunger for hydraulic motors - has piston with two operating positions with pressure compensation and reducing valves
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GB1450086A
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Pressure compensated control valve
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US3798905A
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Power assisted brake control device
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US3722543A
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Pressure compensated control valve
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US3730219A
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Control valve means for fluid motors
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US3718159A
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Control valve
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US3677281A
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Control valve and actuating lever assembly therefor
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