Treatment of substances containing tantalum and niobium,申请号US19380187248-传众专利搜索

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发明名称	Treatment of substances containing tantalum and niobium
摘要
申请公布号	US2164279(A)	申请公布日期	1939.06.27
申请号	US19380187248	申请日期	1938.01.27
申请人	SOCIETE GENERALE METALLURGIQUE DE HOBOKEN	发明人	LEEMANS JOSEPH PIERRE
分类号	C22B34/24	主分类号	C22B34/24
代理机构		代理人
主权项
地址

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