Procédé de préparation des pentoxydes purs de niobium et de tantale,申请号FR19600845366-传众专利搜索

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发明名称	Procédé de préparation des pentoxydes purs de niobium et de tantale
摘要
申请公布号	FR1278235(A)	申请公布日期	1961.12.08
申请号	FR19600845366	申请日期	1960.11.29
申请人	CIBA SOCIETE ANONYME	发明人
分类号	C01G33/00	主分类号	C01G33/00
代理机构		代理人
主权项
地址

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