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发明名称
摘要
申请公布号
JPS63136492(U)
申请公布日期
1988.09.07
申请号
JP19870029049U
申请日期
1987.02.27
申请人
发明人
分类号
H04R1/28;H04R1/34;(IPC1-7):H04R1/34
主分类号
H04R1/28
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