Improvements in or relating to light projectors,申请号GB19390023315-传众专利搜索

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发明名称	Improvements in or relating to light projectors
摘要
申请公布号	GB584666(A)	申请公布日期	1947.01.21
申请号	GB19390023315	申请日期	1939.08.12
申请人	SOCIETE POUR LA FABRICATION DES PROJECTEURS ELECTRIQUES MARCHAL	发明人
分类号	F21V5/00	主分类号	F21V5/00
代理机构		代理人
主权项
地址

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