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发明名称
摘要
申请公布号
JPS5553314(U)
申请公布日期
1980.04.10
申请号
JP19780137247U
申请日期
1978.10.05
申请人
发明人
分类号
H03F1/34;G01R31/00;(IPC1-7):H03F1/34
主分类号
H03F1/34
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代理人
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