Improvements in apparatus for viewing coloured photographic films,申请号GB19370017909-传众专利搜索

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发明名称	Improvements in apparatus for viewing coloured photographic films
摘要
申请公布号	GB495984(A)	申请公布日期	1938.11.23
申请号	GB19370017909	申请日期	1937.06.28
申请人	JAMES FRANK BUCKINGHAM	发明人
分类号	G02B27/02	主分类号	G02B27/02
代理机构		代理人
主权项
地址

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