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发明名称
摘要
申请公布号
FR1560160(A)
申请公布日期
1969.03.14
申请号
FRD1560160
申请日期
1968.04.19
申请人
发明人
分类号
H01P1/213;H03F1/48;H03F3/21;H03F3/60;H03H7/48
主分类号
H01P1/213
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代理人
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