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发明名称
Systèmes émetteurs d'ondes radio-électriques modulées
摘要
申请公布号
FR50814(E)
申请公布日期
1941.04.18
申请号
FRD50814
申请日期
1939.07.29
申请人
LE MATERIEL TELEPHONIQUE
发明人
分类号
H03C1/22;H03F1/16;H03F3/52;H03F3/54
主分类号
H03C1/22
代理机构
代理人
主权项
地址
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