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发明名称
DISPOSICION DE TRANSDUCTOR ELECTROACUSTICO
摘要
申请公布号
AR226002(A1)
申请公布日期
1982.05.14
申请号
AR19820288427
申请日期
1982.02.12
申请人
SIEMENS AG
发明人
分类号
H04R1/22;(IPC1-7):H04R1/28
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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