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发明名称
摘要
申请公布号
JPH04126496(U)
申请公布日期
1992.11.18
申请号
JP19910041452U
申请日期
1991.05.09
申请人
发明人
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
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代理人
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