Improvements in or relating to apparatus for gauging photographic exposures,申请号GB19380009108-传众专利搜索

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发明名称	Improvements in or relating to apparatus for gauging photographic exposures
摘要
申请公布号	GB508122(A)	申请公布日期	1939.06.27
申请号	GB19380009108	申请日期	1938.03.25
申请人	JOHN AINGER HALL;FRANCIS HAROLD SCHOFIELD;WILLIAM GEORGE HAUGHTON TURL	发明人
分类号	G01J1/12	主分类号	G01J1/12
代理机构		代理人
主权项
地址

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