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发明名称
APPARATUS FOR THE COOLING OF DRILLING LIQUIDS
摘要
申请公布号
EP1588020(B1)
申请公布日期
2007.09.05
申请号
EP20030782986
申请日期
2003.12.17
申请人
TASK ENVIRONMENTAL SERVICES BV
发明人
TOEBBEN, BERNARDUS, JOHANNES
分类号
E21B21/06;E21B36/00
主分类号
E21B21/06
代理机构
代理人
主权项
地址
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