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摘要
申请公布号
JPH03125598(U)
申请公布日期
1991.12.18
申请号
JP19900035094U
申请日期
1990.03.31
申请人
发明人
分类号
H04R1/00;B06B1/04;H04R3/00;(IPC1-7):H04R3/00
主分类号
H04R1/00
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