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发明名称
METHOD FOR MANUFACTURING ULTRASONIC SELF DISTORTION TRANSDUCER
摘要
申请公布号
KR1019950009640(B1)
申请公布日期
1995.08.25
申请号
KR1019920024158
申请日期
1992.12.14
申请人
发明人
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主分类号
代理机构
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