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发明名称
Method for purifying bismuth
摘要
申请公布号
US2342733(A)
申请公布日期
1944.02.29
申请号
US19410409751
申请日期
1941.09.05
申请人
BAPTISTE GUYARD LEON JEAN
发明人
GUYARD LEON JEAN BAPTISTE
分类号
C22B30/06
主分类号
C22B30/06
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