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发明名称
Method for drilling with clear water
摘要
申请公布号
US3040820(A)
申请公布日期
1962.06.26
申请号
US19580715494
申请日期
1958.02.17
申请人
PAN AMERICAN PETROLEUM CORPORATION
发明人
GALLUS JULIUS P.
分类号
C09K8/12;C09K8/24
主分类号
C09K8/12
代理机构
代理人
主权项
地址
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