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发明名称
摘要
申请公布号
JPS5339429(U)
申请公布日期
1978.04.06
申请号
JP19760121130U
申请日期
1976.09.10
申请人
发明人
分类号
H04R9/04;H04R7/00;H04R7/12;H04R7/16;H04R7/20;H04R9/06;(IPC1-7):H04R7/20
主分类号
H04R9/04
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代理人
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