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经营范围
发明名称
Verfahren zur Bohrlochkomplettierung.
摘要
申请公布号
DE69003513(T2)
申请公布日期
1994.02.03
申请号
DE19906003513T
申请日期
1990.05.29
申请人
HALLIBURTON CO., DUNCAN, OKLA., US
发明人
SZARKA, DAVID D., DUNCAN, OKLAHOMA 73533, US;SULLAWAY, BOB L., DUNCAN, OKLAHOMA 73533, US;BRANDELL, JOHN T., DUNCAN, OKLAHOMA 73533, US;SCHWEGMAN, STEVEN L., DUNCAN, OKLAHOMA 73533, US
分类号
E21B23/00;E21B33/14;E21B34/06;E21B37/08;E21B41/00;E21B43/11;E21B43/114;(IPC1-7):E21B29/00;E21B34/14;E21B21/00;E21B43/26;E21B43/14
主分类号
E21B23/00
代理机构
代理人
主权项
地址
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