Dispositifs pour la transmission d'ondes électriques,申请号FRD884046-传众专利搜索

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发明名称	Dispositifs pour la transmission d'ondes électriques
摘要
申请公布号	FR884046(A)	申请公布日期	1943.07.30
申请号	FRD884046	申请日期	1941.03.18
申请人	LE MATERIEL TELEPHONIQUE	发明人
分类号	H04B3/30	主分类号	H04B3/30
代理机构		代理人
主权项
地址

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