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发明名称
Perfectionnements aux discriminateurs de fréquence
摘要
申请公布号
FR1170502(A)
申请公布日期
1959.01.15
申请号
FRD1170502
申请日期
1957.04.01
申请人
SOCIETE FRANCAISE RADIO-ELECTRIQUE
发明人
分类号
G01S7/28;H03D3/10
主分类号
G01S7/28
代理机构
代理人
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