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发明名称
摘要
申请公布号
JPH0638398(U)
申请公布日期
1994.05.20
申请号
JP19920075009U
申请日期
1992.10.28
申请人
发明人
分类号
H04R9/02;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R9/02
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代理人
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