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发明名称
TRANSDUCTOR ELECTROACUSTICO
摘要
申请公布号
AR216250(A1)
申请公布日期
1979.11.30
申请号
AR19790277055
申请日期
1979.06.26
申请人
SIEMENS AG
发明人
分类号
H04R17/00;(IPC1-7):H04R17/00;H04R1/28
主分类号
H04R17/00
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代理人
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