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发明名称
摘要
申请公布号
JPS5629593(U)
申请公布日期
1981.03.20
申请号
JP19790110848U
申请日期
1979.08.11
申请人
发明人
分类号
H04R9/00;H04R3/00;H04R9/04;(IPC1-7):H04R3/00
主分类号
H04R9/00
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代理人
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