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发明名称
ARRANGEMENT FOR DRILLING WELLS
摘要
申请公布号
SU998723(A1)
申请公布日期
1983.02.23
申请号
SU19813362432
申请日期
1981.12.10
申请人
PK BYURO MINISTERSTVA SELSKOGO STROITELSTVA BSSR
发明人
BIENKO VLADISLAV N,SU;VARUSHCHENKO VLADIMIR P,SU;SOROKIN VLADIMIR I,SU;SOUS VLADIMIR V,SU
分类号
E21B7/24;(IPC1-7):E21B7/24
主分类号
E21B7/24
代理机构
代理人
主权项
地址
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