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发明名称
Motor protector
摘要
申请公布号
GB0503756(D0)
申请公布日期
2005.03.30
申请号
GB20050003756
申请日期
2005.02.24
申请人
SCHLUMBERGER HOLDINGS LIMITED
发明人
分类号
E21B4/00;F04D13/02;F04D13/10
主分类号
E21B4/00
代理机构
代理人
主权项
地址
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