Procédé destiné à la publicité, qui consiste à rendre transparent, à l'éclairage indirect, un écran opaque.,申请号BE19600590438-传众专利搜索

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发明名称	Procédé destiné à la publicité, qui consiste à rendre transparent, à l'éclairage indirect, un écran opaque.
摘要
申请公布号	BE590438(A1)	申请公布日期	1960.09.01
申请号	BE19600590438	申请日期	1960.05.03
申请人	HENRI JOSEPH MERSCH	发明人	HENRI JOSEPH MERSCH
分类号		主分类号
代理机构		代理人
主权项
地址

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