Dispositif pour la modulation de courants électriques au moyen d'une cellule photoélectrique à plusieurs grilles,申请号FRD816742-传众专利搜索

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发明名称	Dispositif pour la modulation de courants électriques au moyen d'une cellule photoélectrique à plusieurs grilles
摘要
申请公布号	FR816742(A)	申请公布日期	1937.08.16
申请号	FRD816742	申请日期	1937.01.23
申请人	FERNSEH A. G.	发明人
分类号	H03C1/52	主分类号	H03C1/52
代理机构		代理人
主权项
地址

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