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DK8669C
(en)
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Device for Magnetization and Regulation of Dynamo Machines with Switchable Direction of the Magnetic Field.
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AT36007B
(en)
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Device for regulating the reluctance of the field magnets of electrical machines.
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DK6339C
(en)
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Field magnetic winding for electric motors and device for regulating these.
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DK8974C
(en)
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Clamping device with coil spring.
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FR381996A
(en)
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Collector alternator, transverse field and switching coils
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FR381110A
(en)
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Permanent magnet generator
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DK8088C
(en)
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Device for automatic change of field magnet winding on electric motors.
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FR373320A
(en)
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Magnetic ring
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FR360390A
(en)
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magnetic star for internal pole machines
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FR389569A
(en)
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Compound magnet for magneto-electric machines
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FR394660A
(en)
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Electromagnet for the rotor of electrical machines
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FR380934A
(en)
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Armature for magnetic inductors
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ES40629A1
(en)
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Improvements in induction furnaces.
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CH37269A
(en)
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Winding arrangement on electromagnetic clutches
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CH37523A
(en)
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AC train magnet
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CH698E
(en)
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AC train magnet
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AT27611B
(en)
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Magnetic inductor.
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FR372682A
(en)
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Special winding for high potential static transformers
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CH38724A
(en)
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Advanced electromagnet
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CH38164A
(en)
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Magnetic electric igniter
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ES39586A1
(en)
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An electromagnetic device.
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ES36375A1
(en)
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Transformers and dynamos improvements.
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FR382149A
(en)
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Armature for magneto-electric ignition devices
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CH38076A
(en)
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Dynamo-electric machine with compensation winding and reversing poles
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ES37912A1
(en)
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Improvements in recording devices.
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