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发明名称
摘要
申请公布号
JPS5652398(U)
申请公布日期
1981.05.08
申请号
JP19790134355U
申请日期
1979.09.27
申请人
发明人
分类号
H04R17/00;H04R1/20;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
主权项
地址
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