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发明名称
MILLING SYSTEM FOR FORMING A WINDOW IN THE WALL OF A TUBULAR
摘要
申请公布号
EP1092077(B1)
申请公布日期
2006.10.11
申请号
EP19990931252
申请日期
1999.06.30
申请人
SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.
发明人
HOEKSTRA, TACO, SJOERD
分类号
E21B29/06;E21B7/06
主分类号
E21B29/06
代理机构
代理人
主权项
地址
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