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发明名称
Recovery of tantalum values
摘要
申请公布号
US2950966(A)
申请公布日期
1960.08.30
申请号
US19580743284
申请日期
1958.06.20
申请人
NATIONAL DISTILLERS AND CHEMICAL CORPORATION
发明人
FOOS RAYMOND A.
分类号
C01G33/00;C01G35/00;C22B34/24
主分类号
C01G33/00
代理机构
代理人
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地址
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