Corps phosphorescent dont la masse phosphorescente est portée par l'une des faces d'une plaque-support,申请号FRD835060-传众专利搜索

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发明名称	Corps phosphorescent dont la masse phosphorescente est portée par l'une des faces d'une plaque-support
摘要
申请公布号	FR835060(A)	申请公布日期	1938.12.12
申请号	FRD835060	申请日期	1938.03.10
申请人	N. V. SPAARSTROOM	发明人
分类号	G09F13/20	主分类号	G09F13/20
代理机构		代理人
主权项
地址

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