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发明名称
摘要
申请公布号
JPH0110072(Y2)
申请公布日期
1989.03.22
申请号
JP19840037752U
申请日期
1984.03.15
申请人
发明人
分类号
H04R1/00;H04R1/32;H04R1/40;(IPC1-7):H04R1/40
主分类号
H04R1/00
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代理人
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