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发明名称
摘要
申请公布号
JPS52166442(U)
申请公布日期
1977.12.16
申请号
JP19760075969U
申请日期
1976.06.11
申请人
发明人
分类号
H03F3/21;H03F1/00;H03F3/20;H03F3/30;(IPC1-7):H03F3/30
主分类号
H03F3/21
代理机构
代理人
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