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US2553320A
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Pusher attachment for tractors
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Earth-moving equipment
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Steering mechanism
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Hitch construction
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Hydraulic system
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Adapter for earth moving apparatus
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Apron and ejector control linkage for earth movers of the carry type
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Universal hitch
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Apron and ejector control for earth moving apparatus
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Fairlead construction
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Selective hydraulic control structure
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Hydraulic system for operating hydraulic cylinders and pistons
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Piston pump
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Hydraulically operated clutch and brake unit for winding reels
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Earth-mover blade with vibrating attachment
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Earth-working implement
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Earth mover
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Excavator
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Vehicle for exploding land mines and for tamping ground
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Earth mover
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