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发明名称
Well drilling composition and method
摘要
申请公布号
US2863831(A)
申请公布日期
1958.12.09
申请号
US19550551511
申请日期
1955.12.07
申请人
SUN OIL COMPANY
发明人
THOMPSON WILLIAM E.
分类号
C09K8/05
主分类号
C09K8/05
代理机构
代理人
主权项
地址
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