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发明名称
摘要
申请公布号
JPS6444796(U)
申请公布日期
1989.03.17
申请号
JP19870139281U
申请日期
1987.09.11
申请人
发明人
分类号
H04R7/08;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R7/08
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