A method and means for grading the printing light intensity in the photographic printing of cinematograph films, or other photographic film strips,申请号GB19380001945-传众专利搜索

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发明名称	A method and means for grading the printing light intensity in the photographic printing of cinematograph films, or other photographic film strips
摘要
申请公布号	GB498427(A)	申请公布日期	1939.01.09
申请号	GB19380001945	申请日期	1938.01.20
申请人	WILLIAM ALBERT ROBINSON;WILLIAM ARNOLD CHAMBERS;BRITISH ELECTRICON (LONDON) LIMITED	发明人
分类号	G03B27/80	主分类号	G03B27/80
代理机构		代理人
主权项
地址

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