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GR871974B
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Polyphase electric machine having controlled magnetic flux density
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GR871975B
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Variable speed electric machine having controlled magnetic flux density
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GR871972B
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Controlled torque motor
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GR871973B
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Optimized electric motor having controlled magnetic flux density
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US4338557A
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Variable speed electric machine having controlled magnetic flux density
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US4446416A
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Polyphase electric machine having controlled magnetic flux density
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Balanced split-phase electric motor
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KR810001040B1
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Optimized electric motor having controlled magnetic flux density
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ES459955A1
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Improvements entered into an electric motor. (Machine-translation by Google Translate, not legally binding)
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IT1115491B
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Controlled torque AC electric motor - uses control flux to vary useful magnetic material surrounded by principal stator winding
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NL7706557A
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Controlled torque AC electric motor - uses control flux to vary useful magnetic material surrounded by principal stator winding
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CH618554A5
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Assembly comprising an electric motor with controlled magnetic flux density and a control circuit
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IL52269D0
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A.c.electric motor with stator wound flux control winding
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DK245377A
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Engine with controlled magnetic fluid density
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ATA397077A
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Ac motor system
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IE45291B1
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Optimized electric motor having controlled magnetic flux density
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US4187457A
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Polyphase electric motor having controlled magnetic flux density
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Optimized electric motor having controlled magnetic flux density
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US3648206A
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Core constructions for variable inductors and parametric devices
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US3612988A
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Flux-gated voltage regulator
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