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发明名称
DOWNHOLE TOOL APPARATUS
摘要
申请公布号
AU572718(B2)
申请公布日期
1988.05.12
申请号
AU19860052412
申请日期
1986.01.15
申请人
HALLIBURTON CO.,
发明人
WESLEY J. BURRIS III
分类号
E21B34/00;E21B34/10;E21B49/00;(IPC1-7):E21B34/10;F16K5/06
主分类号
E21B34/00
代理机构
代理人
主权项
地址
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