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经营范围
发明名称
Changement automatique de bande de longueurs d'onde par la manceuvre du dispositif d'exploration dans les postes récepteurs et appareils de radio électricité
摘要
申请公布号
FR790061(A)
申请公布日期
1935.11.12
申请号
FRD790061
申请日期
1935.05.16
申请人
发明人
THUILLIER MARIE CHARLES ALFRED
分类号
H03J5/00
主分类号
H03J5/00
代理机构
代理人
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地址
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