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发明名称
Chemical treatment of clays
摘要
申请公布号
US1953144(A)
申请公布日期
1934.04.03
申请号
US19300468465
申请日期
1930.07.16
申请人
MERRIMAC CHEMICAL CO., INC.
发明人
WILSON WILLIAM S.
分类号
C01F7/26
主分类号
C01F7/26
代理机构
代理人
主权项
地址
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