Improvements in or relating to optical projection screens,申请号GB19430009675-传众专利搜索

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发明名称	Improvements in or relating to optical projection screens
摘要
申请公布号	GB564237(A)	申请公布日期	1944.09.19
申请号	GB19430009675	申请日期	1943.06.16
申请人	KODAK LIMITED	发明人
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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