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Transformer for continuous voltage regulation
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DE524253C
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Adjustment device for the slide of sliding resistors
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DE525576C
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Slider device for electrical sliding resistors
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DE524694C
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Drive device for electric controller
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DE518093C
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Slider device for electrical resistors
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DE527718C
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Slider device for electrical resistors
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DE526531C
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Slider device for electrical sliding resistors
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DE483833C
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Covered electrical resistance with head pieces made of insulating material and longitudinal cover plates
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DE506823C
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Slider device for electrical resistors
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Electromagnetic overcurrent switch in plug shape with housing closed on all sides
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DE489254C
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Electromagnetic overcurrent switch in plug shape
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DE525937C
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Double sliding resistance
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DE519466C
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Measurement method
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DE592013C
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Sliding resistance
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