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经营范围
发明名称
Foamed nitrogen in liquid co2 for fracturing
摘要
申请公布号
AU1543300(A)
申请公布日期
2000.07.03
申请号
AU20000015433
申请日期
1999.12.10
申请人
MINNESOTA MINING & MANUFACTURING COMPANY;NOWSCO-FRACMASTER COMPANY
发明人
D.V.SATYANARAYANA GUPTA;RONALD G. PIERCE;CHERYL L. SENGER ELSBERND
分类号
E21B43/26;C09K8/04;C09K8/38;C09K8/58;C09K8/70
主分类号
E21B43/26
代理机构
代理人
主权项
地址
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