Improvements in or relating to apparatus for projecting optical images,申请号GB19420012341-传众专利搜索

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发明名称	Improvements in or relating to apparatus for projecting optical images
摘要
申请公布号	GB557771(A)	申请公布日期	1943.12.03
申请号	GB19420012341	申请日期	1942.09.01
申请人	CONSTANTIN STEPHEN SZEGHO	发明人
分类号	G02B17/08	主分类号	G02B17/08
代理机构		代理人
主权项
地址

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