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发明名称
Fluid for drilling wells
摘要
申请公布号
US2605222(A)
申请公布日期
1952.07.29
申请号
US19490123307
申请日期
1949.10.24
申请人
SHELL DEVELOPMENT COMPANY
发明人
JONES GORDON KENNETH
分类号
C09K8/32
主分类号
C09K8/32
代理机构
代理人
主权项
地址
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