Improvements in apparatus for grading objects according to their effects on a light beam,申请号GB19380017949-传众专利搜索

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发明名称	Improvements in apparatus for grading objects according to their effects on a light beam
摘要
申请公布号	GB504683(A)	申请公布日期	1939.04.28
申请号	GB19380017949	申请日期	1938.06.16
申请人	EDWARD THOMAS BOTH	发明人
分类号	B07C5/34	主分类号	B07C5/34
代理机构		代理人
主权项
地址

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