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发明名称
摘要
申请公布号
JPS5787321(U)
申请公布日期
1982.05.29
申请号
JP19800162786U
申请日期
1980.11.14
申请人
发明人
分类号
H04R3/02;G11B5/027;G11B20/02;(IPC1-7):G11B5/027
主分类号
H04R3/02
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代理人
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