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发明名称
摘要
申请公布号
JPS55148297(U)
申请公布日期
1980.10.24
申请号
JP19790048045U
申请日期
1979.04.10
申请人
发明人
分类号
H04R9/04;H04R9/06;(IPC1-7):H04R9/04
主分类号
H04R9/04
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