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经营范围
发明名称
MECHANICAL SLIDING SLEEVE
摘要
申请公布号
CA2653254(A1)
申请公布日期
2010.08.09
申请号
CA20092653254
申请日期
2009.02.09
申请人
SCHLUMBERGER CANADA LIMITED
发明人
NGUY, VI (JIM);KATHOL, NATHAN
分类号
E21B34/14
主分类号
E21B34/14
代理机构
代理人
主权项
地址
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