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DE1253982B
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Lever valve for pressure medium control with actuation from and from vehicles, especially in mining operations
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DE1094066B
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Pressure medium actuated servomotor for gradually moving shut-off and throttle valves or the like.
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DE1036062B
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Control valve for alternating filling and emptying of work rooms
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DE1107914B
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Sliding device for conveyor wagons, in particular for loading conveyor baskets and loading points in mining operations
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DE948214C
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Pressure medium operated servomotor
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DE878214C
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Point setting device, primarily for underground operations
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DE889551C
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Pressure medium operated servomotor
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DE841740C
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Relief valve for pressure medium line
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DE828535C
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Weather door opener
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DE821961C
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Control device for work devices that can be moved into one of two positions, in particular switches
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DE742760C
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Conveyor lock
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