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发明名称
ARRANGEMENT FOR DRILLING WELLS
摘要
申请公布号
SU998724(A1)
申请公布日期
1983.02.23
申请号
SU19813368084
申请日期
1981.12.23
申请人
SOLOSHENKO VLADIMIR,SU;OVCHAROV MIKHAIL S,SU;KHARCHENKO VLADIMIR V,SU;PARSHIN GEORGIJ,SU;GATSUTS VLADIMIR B,SU
发明人
SOLOSHENKO VLADIMIR I,SU;OVCHAROV MIKHAIL S,SU;KHARCHENKO VLADIMIR V,SU;PARSHIN GEORGIJ I,SU;GATSUTS VLADIMIR B,SU
分类号
E21B7/30;E21B7/26;(IPC1-7):E21B7/26
主分类号
E21B7/30
代理机构
代理人
主权项
地址
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