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发明名称
摘要
申请公布号
JPS5254982(Y2)
申请公布日期
1977.12.13
申请号
JP19720066984U
申请日期
1972.06.07
申请人
发明人
分类号
H03F1/30;H03F1/34;H03F3/34;H03G3/00;H03G3/12;H03G3/30;(IPC1-7):H03F1/34
主分类号
H03F1/30
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代理人
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