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发明名称
摘要
申请公布号
JPH02106788(U)
申请公布日期
1990.08.24
申请号
JP19890015386U
申请日期
1989.02.14
申请人
发明人
分类号
H04R1/00;H05K7/12;(IPC1-7):H04R1/00
主分类号
H04R1/00
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