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经营范围
发明名称
CEMENTING PLUG
摘要
申请公布号
SU1170121(A1)
申请公布日期
1985.07.30
申请号
SU19833661545
申请日期
1983.11.15
申请人
GORYACHEVODSKOE U BUROVYKH RABOT PROIZVODSTVENNOGO OBEDINENIYA "GROZNEFT"
发明人
KRYLOV YURIJ M,SU;KULIGIN NIKOLAJ A,SU;DUDKO MIKHAIL P,SU;STADNIKOV MIKHAIL F,SU
分类号
E21B33/16;(IPC1-7):E21B33/16
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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