Appareil sensible à l'action de la lumière,申请号FRD696617-传众专利搜索

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发明名称	Appareil sensible à l'action de la lumière
摘要
申请公布号	FR696617(A)	申请公布日期	1931.01.05
申请号	FRD696617	申请日期	1930.06.03
申请人	RADIOVISOR FOREIGN & COLONIAL LIMITED	发明人
分类号	H01H47/24	主分类号	H01H47/24
代理机构		代理人
主权项
地址

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