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经营范围
发明名称
METHOD OF MEASURING TORQUE AT BIT IN ROTARY DRILLING
摘要
申请公布号
SU1488449(A1)
申请公布日期
1989.06.23
申请号
SU19874322215
申请日期
1987.07.13
申请人
UFIMSKIJ NEFTYANOJ INSTITUT
发明人
SUKMANSKIJ OLEG B,SU;MAVLYUTOV MIDKHAT R,SU;AKCHURIN KHAMZA I,SU;AKHMETSHIN DAMIR M,SU;ISHBAEV GNIYATULLA G,SU
分类号
E21B45/00
主分类号
E21B45/00
代理机构
代理人
主权项
地址
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