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发明名称
SYSTEM FOR CONTROL OF DIAMOND DRILLING PRACTICES
摘要
申请公布号
RU2026973(C1)
申请公布日期
1995.01.20
申请号
RU19930034083
申请日期
1993.07.06
申请人
TOVARISHCHESTVO S OGRANICHENNOJ OTVETSTVENNOSTYU "BURENIE"
发明人
BASHKATOV DMITRIJ N;SOLOVEV NIKOLAJ V;KHROMIN EVGENIJ D
分类号
E21B44/06;E21B19/086;E21B44/00;(IPC1-7):E21B44/00
主分类号
E21B44/06
代理机构
代理人
主权项
地址
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