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发明名称
Præinstalleret prop der kan udfræses eller udbores
摘要
申请公布号
DK200801147(A)
申请公布日期
2008.08.22
申请号
DK20080001147
申请日期
2008.08.22
申请人
BAKER HUGHES INCORPORATED
发明人
SORHUS, ATLE J.
分类号
E21B23/02;E21B33/12
主分类号
E21B23/02
代理机构
代理人
主权项
地址
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