Perfectionnements aux lampes à arc de projection cinématographique,申请号FRD857776-传众专利搜索

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发明名称	Perfectionnements aux lampes à arc de projection cinématographique
摘要
申请公布号	FR857776(A)	申请公布日期	1940.09.28
申请号	FRD857776	申请日期	1939.04.06
申请人		发明人	FERSING VICTOR
分类号	H05B31/00	主分类号	H05B31/00
代理机构		代理人
主权项
地址

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