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发明名称
摘要
申请公布号
JPS5566480(U)
申请公布日期
1980.05.08
申请号
JP19780149945U
申请日期
1978.10.30
申请人
发明人
分类号
H04R1/00;F16M11/06;F16M13/02;(IPC1-7):H04R1/00
主分类号
H04R1/00
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代理人
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