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发明名称
Recovery of high purity pentachlorides of niobium and tantalum from mixtures thereof
摘要
申请公布号
US2934426(A)
申请公布日期
1960.04.26
申请号
US19570676384
申请日期
1957.08.05
申请人
QUEBEC METALLURGICAL INDUSTRIES LTD.
发明人
MAYER ALFRED
分类号
C01G33/00
主分类号
C01G33/00
代理机构
代理人
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地址
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