Improvements in light-sensitive devices,申请号GB19290024048-传众专利搜索

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发明名称	Improvements in light-sensitive devices
摘要
申请公布号	GB337477(A)	申请公布日期	1930.11.06
申请号	GB19290024048	申请日期	1929.08.06
申请人	COMPAGNIE DES LAMPES	发明人
分类号	H01J40/14	主分类号	H01J40/14
代理机构		代理人
主权项
地址

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