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发明名称
WELL EQUIPMENT
摘要
申请公布号
SU870679(A1)
申请公布日期
1981.10.07
申请号
SU19792803384
申请日期
1979.07.26
申请人
SHIROBOKOV DMITRIJ E,SU;DMITRISHIN NIKOLAJ S,SU;GAJDIN ANATOLIJ M,SU;DUBIKOVSKIJ YURIJ S,SU;DAVIDYUK DMITRIJ M,SU
发明人
SHIROBOKOV DMITRIJ E,SU;DMITRISHIN NIKOLAJ S,SU;GAJDIN ANATOLIJ M,SU;DUBIKOVSKIJ YURIJ S,SU;DAVIDYUK DMITRIJ M,SU
分类号
E21B43/24;(IPC1-7):E21B43/24
主分类号
E21B43/24
代理机构
代理人
主权项
地址
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