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发明名称
摘要
申请公布号
JPS424331(Y1)
申请公布日期
1967.03.09
申请号
JP19640022937U
申请日期
1964.03.26
申请人
发明人
分类号
H03F1/52;H03F1/00;H03F1/42;(IPC1-7):H03F1/00
主分类号
H03F1/52
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代理人
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