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发明名称
摘要
申请公布号
JP2579878(Y2)
申请公布日期
1998.09.03
申请号
JP19910063227U
申请日期
1991.08.09
申请人
发明人
分类号
H04R1/10;(IPC1-7):H04R1/10
主分类号
H04R1/10
代理机构
代理人
主权项
地址
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