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发明名称
METHOD OF ACTIVATING PIEZOELECTRIC CONVERTERS INTO ULTRASONIC VIBRATIONS
摘要
申请公布号
PL110267(B1)
申请公布日期
1980.07.31
申请号
PL19760191306
申请日期
1976.07.20
申请人
发明人
分类号
B06B;B06B1/06;(IPC1-7):B06B1/06
主分类号
B06B
代理机构
代理人
主权项
地址
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