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发明名称
DRILLING BIT BEARING LUBRICATING SYSTEM
摘要
申请公布号
SU1303695(A1)
申请公布日期
1987.04.15
申请号
SU19853938689
申请日期
1985.08.06
申请人
SP K BYURO PO DOLOTAM PROIZVODSTVENNOGO OBEDINENIYA "KUJBYSHEVBURMASH"
发明人
BOGOMOLOV RODION M,SU;LOGINOV ANATOLIJ A,SU;IZMAJLOV KHADZHI-MURAT S,SU;FRIEV KONSTANTIN A,SU
分类号
E21B10/24
主分类号
E21B10/24
代理机构
代理人
主权项
地址
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