Système optique permettant la réalisation de faisceaux concentrés et délimitables, monochromes ou polychromes,申请号BE19340404387-传众专利搜索

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发明名称	Système optique permettant la réalisation de faisceaux concentrés et délimitables, monochromes ou polychromes
摘要
申请公布号	BE404387(A1)	申请公布日期	1934.08.31
申请号	BE19340404387	申请日期	1934.07.25
申请人	Société Anonyme des Etablissements Blanchtot & Rolland	发明人
分类号	F21V9/08	主分类号	F21V9/08
代理机构		代理人
主权项
地址

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