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CN1012122B
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Horn speaker
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NL8003990A
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Electromagnetic signal horn with a few driving electromagnets.
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GB2073541A
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Reflex horn speaker
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DE2916333A1
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ELECTRIC HORN
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JPS53141020A
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Method and device for producing supersonic waves
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JPS5370798A
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Beacon light
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JPS5399A
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Method of radiating light and device therefor
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JPS533815A
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High strength ultrasonic wave vibrator and method of producing same
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JPS52136616A
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Device and method of bonding ultrasonic wave vibrator to radiator
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JPS5264335A
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Supersonic beauty apparatus
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JPS5222110A
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Blower
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JPS51127575A
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Washing device using ultrasonic vibration-applied running water
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