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经营范围
发明名称
Process for selectively and temporarily sealing a geological formation having zones of varying permeability
摘要
申请公布号
US2864448(A)
申请公布日期
1958.12.16
申请号
US19540476852
申请日期
1954.12.21
申请人
THE PURE OIL COMPANY
发明人
BOND DONALD C.;HOLBROOK ORRIN C.
分类号
C09K8/50;C09K8/60
主分类号
C09K8/50
代理机构
代理人
主权项
地址
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