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发明名称
摘要
申请公布号
JPS599511(Y2)
申请公布日期
1984.03.26
申请号
JP19790145524U
申请日期
1979.10.19
申请人
发明人
分类号
H04R9/02;H04R1/28;H04R9/04;H04R9/06;(IPC1-7):H04R9/04
主分类号
H04R9/02
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