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发明名称
摘要
申请公布号
JPH0578240(B2)
申请公布日期
1993.10.28
申请号
JP19870230578
申请日期
1987.09.14
申请人
RION CO
发明人
TATENO MAKOTO
分类号
H04R25/04;H04R25/00;(IPC1-7):H04R25/04
主分类号
H04R25/04
代理机构
代理人
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