Improvements in or relating to projection screens,申请号GB19320003610-传众专利搜索

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发明名称	Improvements in or relating to projection screens
摘要
申请公布号	GB396714(A)	申请公布日期	1933.08.08
申请号	GB19320003610	申请日期	1932.02.06
申请人	TRANS-LUX DAYLIGHT PICTURE SCREEN CORPORATION	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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