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发明名称
Perfectionnements aux systèmes de modulation des ondes ultra-courtes
摘要
申请公布号
FR56743(E)
申请公布日期
1952.10.03
申请号
FRD56743
申请日期
1947.03.21
申请人
SADIR-CARPENTIER
发明人
MARIE GEORGES-ROBERT-PIERR
分类号
H03C1/30;H03C7/02
主分类号
H03C1/30
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代理人
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