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发明名称
DEVICE FOR HOLE DRILLING AND INSTALLATION OF POLYMER WELL POINTS
摘要
申请公布号
RU2068067(C1)
申请公布日期
1996.10.20
申请号
SU19914951878
申请日期
1991.06.28
申请人
VSESOYUZNYJ NAUCHNO-ISSLEDOVATELSKIJ INSTITUT ZOLOTA I REDKIKH METALLOV (VNII-1)
发明人
OSIPOV AVENIR I;LEBEDENKO VITALIJ D;SAMYSHIN VALERIJ K
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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