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发明名称
摘要
申请公布号
DE2142660(A1)
申请公布日期
1972.03.02
申请号
DE19712142660
申请日期
1971.08.25
申请人
RCA CORP
发明人
分类号
H03G3/20;H03G3/30;H03J3/14;(IPC1-7):H03J3/12
主分类号
H03G3/20
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