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经营范围
发明名称
Removable bridge plug or packer
摘要
申请公布号
AU2003200244(B2)
申请公布日期
2004.03.25
申请号
AU20030200244
申请日期
2003.01.28
申请人
BAKER HUGHES INCORPORATED
发明人
YUSHENG YUAN;DENNIS E. KROLL;MICHAEL E. MCMAHAN
分类号
(IPC1-7):E21B033/129;E21B033/128
主分类号
(IPC1-7):E21B033/129
代理机构
代理人
主权项
地址
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