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经营范围
发明名称
Low water-loss cement slurry
摘要
申请公布号
US2614998(A)
申请公布日期
1952.10.21
申请号
US19490116628
申请日期
1949.09.19
申请人
PHILLIPS PETROLEUM COMPANY
发明人
LEA PEGGY J.
分类号
C04B24/26;C09K8/46
主分类号
C04B24/26
代理机构
代理人
主权项
地址
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