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发明名称
DUAL CUTTING MILL
摘要
申请公布号
CA2324705(C)
申请公布日期
2007.01.02
申请号
CA20002324705
申请日期
2000.10.27
申请人
BAKER HUGHES INCORPORATED
发明人
BOSWELL, BARRY;HOLLAND, JIMMIE J.
分类号
E21B11/00;E21B10/08;E21B29/00
主分类号
E21B11/00
代理机构
代理人
主权项
地址
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