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GB1197396A
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Pulse Control System for D.C. Motors
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DE1234833B
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Multiple cam control switch
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DE1181729B
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Electrically controlled compressed air brake system for rail vehicles
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DE1275573B
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Circuit arrangement for the series parallel approach of several traction motors of a direct current traction vehicle
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DE1144379B
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Protection circuit for portable inductive power consumers
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DE1168537B
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Cam switching element for large currents
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DE1124743B
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Speed monitor
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DE1136731B
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Circuit arrangement for electric traction vehicles with automatic current-dependent sequence of the starting and braking process
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DE1120495B
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Start-up circuit for battery-powered bidirectional rail locomotives
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DE1119904B
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Starting and braking circuit for direct current traction vehicles
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DE1083580B
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Speed monitor
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DE1116299B
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Device for turning the control shaft of an electrical switching or control device
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DE1106796B
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Heating changeover for electric locomotives
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DE1091148B
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Heating changeover for electric locomotives
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DE1093868B
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Contact finger for roller switch, controller u. ae. Switchgear with magnetic extinguishing
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DE1185711B
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Short-circuit braking circuit for railways, cranes or similar drives with several electric motors, especially for series and compound motors
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DE1012633B
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Arrangement for joint control of coupled electric traction vehicles
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DE1007797B
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Switch-saving arrangement for electric traction vehicles with multiple use contactors
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DE1009225B
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Rod for drawing current from contact lines
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DE1060959B
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Cam switch with two current paths, a cam lever and a cam disk
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