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发明名称
APPARATUS FOR LAYING AND FEEDING PIPES INTO WELL AT RUNNING-UP AND DOWN OPERATIONS
摘要
申请公布号
SU941539(A1)
申请公布日期
1982.07.07
申请号
SU19802967826
申请日期
1980.07.28
申请人
VOSTOCHNYJ NI NEFTEGAZOVYJ I PO TEKHNIKE BEZOPASNOSTI PROMSANITARII
发明人
LOGINOVSKIJ VLADIMIR I,SU;NUGAEV RAIS YA,SU;MEDINGER NATALIYA V,SU
分类号
E21B19/14;(IPC1-7):E21B19/14
主分类号
E21B19/14
代理机构
代理人
主权项
地址
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