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JPS62171473A
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Ultrasonic wave vibrator
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JPS62171474A
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Rotary type ultrasonic wave vibration motor
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JPS62155782A
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Ultrasonic vibrator and drive control method thereof
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JPS62152378A
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Ultrasonic wave vibrator and its drive-controlling method
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JPS62152377A
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Drive-controlling method for ultrasonic wave vibrator
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JPS62141980A
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Ultrasonic vibrator and drive controlling method thereof
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JPS62140686A
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Method of controlling drive of ultrasonic converter
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JPS62136398A
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Ultrasonic cutter
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JPS62135279A
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Ultrasonic motor
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JPS62135278A
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Drive method of ultrasonic vibrator
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JPS62126874A
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Ultrasonic vibrator and drive controlling method thereof
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JPS62114478A
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Ultrasonic vibrator and control method for drive thereof
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JPS6297677A
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Twist vibrator
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JPS6241653A
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Earth lead disconnection detecting circuit of ultrasonic vebrator
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JPS61160405A
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Meshing of woven fabric
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JPS61160404A
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Method and apparatus for meshing woven fabric
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JPS61160406A
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Meshing of woven fabric
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JPS61142924A
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Phase missing detection circuit for 3-phase power source
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JPS61109567A
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Washing and sterilizing method and apparatus
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JPS6130972A
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Supersonic motor device
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