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发明名称
Method of making material for the purification of gaseous mixtures
摘要
申请公布号
US1809990(A)
申请公布日期
1931.06.16
申请号
US19280284671
申请日期
1928.06.11
申请人
E. J. LAVINO AND COMPANY
发明人
SEIL GILBERT EDWARD
分类号
C10K1/20
主分类号
C10K1/20
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