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发明名称
Bore hole underreamer
摘要
申请公布号
GB2393748(B)
申请公布日期
2007.01.03
申请号
GB20030023195
申请日期
2003.10.03
申请人
SECURITY DBS NV/SA
发明人
PHILIPPE FANUEL;JEAN-PIERRE LASSOIE;STEIN ERIK MOI;CLINT SMITH
分类号
E21B10/32;E21B10/62
主分类号
E21B10/32
代理机构
代理人
主权项
地址
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