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发明名称
摘要
申请公布号
JPH0411401(Y2)
申请公布日期
1992.03.23
申请号
JP19850007493U
申请日期
1985.01.22
申请人
发明人
分类号
H04R25/00;H04M1/21;(IPC1-7):H04M1/21
主分类号
H04R25/00
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