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发明名称
摘要
申请公布号
JPS5677120(U)
申请公布日期
1981.06.23
申请号
JP19790159397U
申请日期
1979.11.17
申请人
发明人
分类号
H03F1/30;H03F1/22;H03F3/20;H03F3/30;(IPC1-7):H03F3/30
主分类号
H03F1/30
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