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经营范围
发明名称
Vorgeformte Elemente für Drehbohrmeissel
摘要
申请公布号
DE60019189(T2)
申请公布日期
2006.03.09
申请号
DE20006019189T
申请日期
2000.04.28
申请人
CAMCO INTERNATIONAL (UK) LTD., STONEHOUSE
发明人
GRIFFIN, NIGEL DENNIS;WATSON, DEAN TRAVERS
分类号
E21B10/56;E21B10/567;E21B10/573
主分类号
E21B10/56
代理机构
代理人
主权项
地址
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