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发明名称
摘要
申请公布号
JPS63117189(U)
申请公布日期
1988.07.28
申请号
JP19870009470U
申请日期
1987.01.26
申请人
发明人
分类号
H04R1/00;H04R3/14;(IPC1-7):H04R1/00
主分类号
H04R1/00
代理机构
代理人
主权项
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