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发明名称
METHOD FOR REMOVAL OF PATCH OUT OF CASING AND RELEVANT DEVICE
摘要
申请公布号
SU1745876(A1)
申请公布日期
1992.07.07
申请号
SU19894688268
申请日期
1989.02.24
申请人
VNII PO KREPLENIYU SKVAZHIN BUROVYM RASTVORAM
发明人
SARKISOV NIKOLAJ M,SU;KESKINOV YURIJ G,SU;KISELMAN MARK L,SU;BRAZHNIKOV ALEKSANDR A,SU
分类号
E21B29/10
主分类号
E21B29/10
代理机构
代理人
主权项
地址
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