ES128802A1
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Alarm electric layout
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GB104170A
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Improvements in or relating to Small Electric Motors.
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GB191129161A
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Improvements in Field Magnets for Multi-polar Dynamo-electric Machines having External Stationary Armatures.
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GB191128715A
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Method and Device for Polarising Magneto-electrical Machines.
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US1052535A
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Field-magnet.
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GB191129160A
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Improvements in Field Magnets for Multipolar Dynamo-electric Machines having External Stationary Armatures.
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US964343A
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Rotary field-magnet.
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GB190906187A
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A Rotary Field Magnet consisting of Separate Permanent Bar Magnets for Multipolar Electrical Machines having a Stationary Armature.
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US679405A
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Microtelephone.
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GB190105305A
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Improvements in Microtelephones.
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CA312096A
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Clock balance
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