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发明名称
Appareil émetteur de signaux et d'indicatifs télégraphiques
摘要
申请公布号
FR880691(A)
申请公布日期
1943.04.01
申请号
FRD880691
申请日期
1940.02.03
申请人
SOCIETE D'ETUDES ET DE CONSTRUCTION D'APPAREILS AUTOMATIQUES
发明人
分类号
H04L15/04
主分类号
H04L15/04
代理机构
代理人
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地址
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