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发明名称
摘要
申请公布号
JPS568382(U)
申请公布日期
1981.01.24
申请号
JP19790090329U
申请日期
1979.06.29
申请人
发明人
分类号
H04R5/027;H04R1/00;(IPC1-7):H04R5/027
主分类号
H04R5/027
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代理人
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