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发明名称
Schliesswerkzeuge
摘要
申请公布号
DE69320235(D1)
申请公布日期
1998.09.17
申请号
DE1993620235
申请日期
1993.04.14
申请人
HALLIBURTON ENERGY SERVICES, INC., DUNCAN, OKLA., US
发明人
SCHULTZ, ROGER L., GOODWELL, OKLAHOMA 73939, US;ZITTERICH, CRAIG L., CORINTH, TEXAS 76205, US;BECK, HAROLD K., COPPER CANYON, TEXAS 75067, US;BOHAN, WILLIAM L., GARLAND, TEXAS 75044, US
分类号
E21B34/06;E21B34/08;E21B49/08;(IPC1-7):E21B34/06
主分类号
E21B34/06
代理机构
代理人
主权项
地址
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