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发明名称
FLAT AND BEVEL CHIPBREAKER INSERT
摘要
申请公布号
CA2546938(A1)
申请公布日期
2005.06.16
申请号
CA20042546938
申请日期
2004.11.18
申请人
BAKER HUGHES INCORPORATED
发明人
BRADFORD, FRANCINE A.;HART, DANIEL R.;STOWE, CALVIN J.
分类号
E21B10/56;E21B10/567
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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