Projection screen with reflex light-transmission,申请号US19550553138-传众专利搜索

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发明名称	Projection screen with reflex light-transmission
摘要
申请公布号	US2931269(A)	申请公布日期	1960.04.05
申请号	US19550553138	申请日期	1955.12.14
申请人	GENIE ANNE HENRI JACQUES DE LA	发明人	ANNE HENRI JACQUES DE LASSUS ST. GENIE
分类号	G03B21/62	主分类号	G03B21/62
代理机构		代理人
主权项
地址

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