Improvements in and relating to apparatus for photographic copying,申请号GB19390031626-传众专利搜索

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发明名称	Improvements in and relating to apparatus for photographic copying
摘要
申请公布号	GB536036(A)	申请公布日期	1941.04.30
申请号	GB19390031626	申请日期	1939.12.06
申请人	JAMES VICTOR HALL	发明人
分类号	G03B27/465	主分类号	G03B27/465
代理机构		代理人
主权项
地址

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