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发明名称
摘要
申请公布号
JPS59166599(U)
申请公布日期
1984.11.08
申请号
JP19830059702U
申请日期
1983.04.21
申请人
发明人
分类号
H04R17/00;H04R1/00;H04R1/02;H04R1/20;(IPC1-7):H04R17/00
主分类号
H04R17/00
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