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经营范围
发明名称
Wellbore cap
摘要
申请公布号
GB2483526(A)
申请公布日期
2012.03.14
申请号
GB20110002297
申请日期
2011.02.09
申请人
CYRUS OMID VARAN
发明人
CYRUS OMID VARAN
分类号
E21B43/01;E21B33/035
主分类号
E21B43/01
代理机构
代理人
主权项
地址
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