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申请公布号
JPS54113541(U)
申请公布日期
1979.08.09
申请号
JP19780009554U
申请日期
1978.01.27
申请人
发明人
分类号
H04R9/04;H01F27/32;H01F41/12;H04R9/06;(IPC1-7):H04R9/04
主分类号
H04R9/04
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