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发明名称
摘要
申请公布号
JPS5890556(U)
申请公布日期
1983.06.18
申请号
JP19810103804U
申请日期
1981.07.15
申请人
发明人
分类号
H04R1/04;G11B15/10;G11B15/46;(IPC1-7):G11B15/46
主分类号
H04R1/04
代理机构
代理人
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地址
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