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经营范围
发明名称
Treatment and purification of clay
摘要
申请公布号
US2500727(A)
申请公布日期
1950.03.14
申请号
US19490109067
申请日期
1949.08.06
申请人
GEORGIA KAOLIN COMPANY
发明人
WHITTAKER HARRY
分类号
C09C1/42
主分类号
C09C1/42
代理机构
代理人
主权项
地址
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