Appareil de mesure du noircissement de films cinématographiques,申请号FRD836945-传众专利搜索

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发明名称	Appareil de mesure du noircissement de films cinématographiques
摘要
申请公布号	FR836945(A)	申请公布日期	1939.01.30
申请号	FRD836945	申请日期	1938.04.21
申请人	KLANGFILM GESELLSCHAFT MIT BESCHRANKTER HAFTUNG	发明人
分类号	G01N21/59	主分类号	G01N21/59
代理机构		代理人
主权项
地址

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