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发明名称
Способ и приспособление для установки в буровой скважине ориентированного уипстока или коронки
摘要
申请公布号
SU51881(A1)
申请公布日期
1936.11.30
申请号
SU19360000506
申请日期
1936.09.19
申请人
KULIGIN N.A.;SHANGIN A.N.
发明人
KULIGIN N.A.;SHANGIN A.N.
分类号
E21B7/08
主分类号
E21B7/08
代理机构
代理人
主权项
地址
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