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经营范围
发明名称
Clay bleaching process
摘要
申请公布号
GB1069793(A)
申请公布日期
1967.05.24
申请号
GB19650001254
申请日期
1965.01.11
申请人
J.M.HUBER CORPORATION
发明人
分类号
C01F7/46
主分类号
C01F7/46
代理机构
代理人
主权项
地址
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