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发明名称
TRANSDUTOR PIEZOELETRICO
摘要
申请公布号
BR8005981(A)
申请公布日期
1981.03.31
申请号
BR19800005981
申请日期
1980.09.18
申请人
SIEMENS AG
发明人
MARTIN E;BAIER K
分类号
H04M1/00;H04R1/22;H04R17/10;(IPC1-7):H04R17/10
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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