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发明名称
Method of decolorizing caustic liquors
摘要
申请公布号
US1742220(A)
申请公布日期
1930.01.07
申请号
US19280254166
申请日期
1928.02.13
申请人
BROWN COMPANY
发明人
RICHTER GEORGE A.
分类号
C01D1/32
主分类号
C01D1/32
代理机构
代理人
主权项
地址
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