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发明名称
FREMGANGSMAATE FOR IGJENPLUGGING AV EN SONE I EN BROENN.
摘要
申请公布号
NO903898(D0)
申请公布日期
1990.09.06
申请号
NO19900003898
申请日期
1990.09.06
申请人
CONOCO INC
发明人
MCDANIEL, STEPHEN J.
分类号
C09K8/508;E21B27/02;E21B33/138;E21B43/04;E21B43/14;(IPC1-7):E21B/
主分类号
C09K8/508
代理机构
代理人
主权项
地址
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