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申请公布号
JPS56123691(U)
申请公布日期
1981.09.19
申请号
JP19800021863U
申请日期
1980.02.20
申请人
发明人
分类号
H03F1/52;H03F1/00;H03F1/42;H04R3/00;(IPC1-7):H04R3/00
主分类号
H03F1/52
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