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发明名称
摘要
申请公布号
JPS5443345(B1)
申请公布日期
1979.12.19
申请号
JP19690068215
申请日期
1969.08.28
申请人
发明人
分类号
H03F1/42;H03F1/52;H03F3/20;H03F3/30;H04R3/00;(IPC1-7):H03F1/00
主分类号
H03F1/42
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代理人
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