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发明名称
Procédé et dispositif pour l'émission de messages radiotélégraphiques manipulés par variation de fréquence
摘要
申请公布号
FR943165(A)
申请公布日期
1949.03.01
申请号
FRD943165
申请日期
1947.02.27
申请人
SOCIETE DE TRAVAUX ET D'APPLICATIONS RADIOELECTRIQUES
发明人
分类号
H03C3/14
主分类号
H03C3/14
代理机构
代理人
主权项
地址
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