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JPS60129909A
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Degausser of magnetic substance and its demagnetizing method
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JPS5967838A
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Method of charging battery
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JPS593740A
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Operating mechanism of video recorder
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JPS58224463A
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Tape loading mechanism of video tape recorder
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JPS5837866A
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Video head drum
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JPS5633688A
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Method and circuit for displaying error in relative value against reference value on crt screen
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JPS55142460A
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Video tape recorder
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JPS55108957A
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Video tape recorder
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JPS5414211A
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Vtr volume tracking control circuit
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JPS5414209A
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Vtr servo circuit
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JPS54722A
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Device for regulating speed of dc motor
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JPS541008A
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Vtr system
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JPS541009A
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Vtr servo circuit
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JPS5379510A
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Controller for rotary head of video tape recorder
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JPS5379511A
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Magnetic video recording system
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JPS5374217A
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Method of driving brushless dc motor
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