Improvements connected with projection screens,申请号GB19530005578-传众专利搜索

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发明名称	Improvements connected with projection screens
摘要
申请公布号	GB729362(A)	申请公布日期	1955.05.04
申请号	GB19530005578	申请日期	1953.02.27
申请人	R. F. HUNTER LIMITED	发明人	HUNTER CYRIL ROBERT
分类号	G03B21/58	主分类号	G03B21/58
代理机构		代理人
主权项
地址

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