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发明名称
FORMING A COATING ON A BOREHOLE WALL
摘要
申请公布号
SG44693(G)
申请公布日期
1993.06.25
申请号
SG19930000446
申请日期
1993.04.14
申请人
SHELL INT RESEARCH
发明人
分类号
E21B7/20;E21B33/138;(IPC1-7):E21B33/138
主分类号
E21B7/20
代理机构
代理人
主权项
地址
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