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经营范围
发明名称
FJERNSTYRT PLUGGFRIGJOERINGSSYSTEM.
摘要
申请公布号
NO911684(D0)
申请公布日期
1991.04.29
申请号
NO19910001684
申请日期
1991.04.29
申请人
HALLIBURTON COMPANY
发明人
BALDRIDGE, MORRIS G.
分类号
E21B33/05;E21B34/16;F15B21/00;(IPC1-7):E21B/
主分类号
E21B33/05
代理机构
代理人
主权项
地址
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