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发明名称
摘要
申请公布号
JPH079504(Y2)
申请公布日期
1995.03.06
申请号
JP19910014663U
申请日期
1991.02.20
申请人
发明人
分类号
H04R1/02;(IPC1-7):H04R1/02
主分类号
H04R1/02
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