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发明名称
摘要
申请公布号
JPH059059(U)
申请公布日期
1993.02.05
申请号
JP19910060775U
申请日期
1991.07.08
申请人
发明人
分类号
H04R1/02;H04M1/03;(IPC1-7):H04M1/03
主分类号
H04R1/02
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