Perfectionnements à la fabrication de dérivés du violanthrone,申请号FRD773793-传众专利搜索

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发明名称	Perfectionnements à la fabrication de dérivés du violanthrone
摘要
申请公布号	FR773793(A)	申请公布日期	1934.11.26
申请号	FRD773793	申请日期	1934.05.29
申请人	E. I. DU PONT DE NEMOURS AND CO	发明人
分类号	C09B3/30	主分类号	C09B3/30
代理机构		代理人
主权项
地址

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