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JPH03277421A
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Electric discharge machining medium, and electric discharge machining method and device using medium
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JPH03251322A
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Electrical discharge machine method by powder mixed work liquid
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JPH02198673A
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Instrument for expanding amplitude of ultrasonic vibration
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JPH01234145A
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Ultrasonic machining method
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JPH01234144A
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Ultrasonic machining vibrator
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JPS63193699A
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Supersonic vibrator supporting constitution
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JPS6390398A
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Pressurizing method
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JPS6381876A
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Method of driving laminated piezoelectric actuator
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JPS62225280A
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Method of transmitting ultrasonic vibration over vibrating tool
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JPS62224711A
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Fitting method
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JPS61192520A
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Manufacture of powder sintering product
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