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发明名称
摘要
申请公布号
JPH0419089(U)
申请公布日期
1992.02.18
申请号
JP19900060501U
申请日期
1990.06.07
申请人
发明人
分类号
H04R1/02;H05K9/00;(IPC1-7):H04R1/02
主分类号
H04R1/02
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