Préparation directe de l'anhydride sulfurique so pur en partant de pyrites notamment pauvres ou arsenicales ces dernières aurifères ou non aurifères,申请号FRD914562-传众专利搜索

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发明名称	Préparation directe de l'anhydride sulfurique so pur en partant de pyrites notamment pauvres ou arsenicales ces dernières aurifères ou non aurifères
摘要
申请公布号	FR914562(A)	申请公布日期	1946.10.11
申请号	FRD914562	申请日期	1945.09.17
申请人		发明人	FASSINA;FASSINA ZRAHIA (DIT LOUIS)
分类号	C01B17/69	主分类号	C01B17/69
代理机构		代理人
主权项
地址

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