Improvements in cinematograph projection screens,申请号GB19330036358-传众专利搜索

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发明名称	Improvements in cinematograph projection screens
摘要
申请公布号	GB429699(A)	申请公布日期	1935.06.05
申请号	GB19330036358	申请日期	1933.12.27
申请人	EDWARD GEORGE TURNER	发明人
分类号	G03B21/56	主分类号	G03B21/56
代理机构		代理人
主权项
地址

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