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经营范围
发明名称
Pivoting gooseneck
摘要
申请公布号
GB0501277(D0)
申请公布日期
2005.03.02
申请号
GB20050001277
申请日期
2003.07.24
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B19/22
主分类号
E21B19/22
代理机构
代理人
主权项
地址
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