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发明名称
DISTANCE HOLDER WITH JET DEFLECTOR
摘要
申请公布号
EP2122107(A1)
申请公布日期
2009.11.25
申请号
EP20080718061
申请日期
2008.03.20
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
BLANGE, JAN-JETTE
分类号
E21B7/18
主分类号
E21B7/18
代理机构
代理人
主权项
地址
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