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发明名称
PIEZZOELECTRIC ELECTROACCOUSTIC TRANSDUCER
摘要
申请公布号
CS204479(B1)
申请公布日期
1981.04.30
申请号
CS19790000108
申请日期
1979.01.03
申请人
TARABA,OLDRICH,CS
发明人
TARABA,OLDRICH,CS
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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