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发明名称
DRILLING PIPE FEEDER
摘要
申请公布号
SU609866(A1)
申请公布日期
1978.06.05
申请号
SU19772439966
申请日期
1977.01.03
申请人
MO GEOLOGORAZVEDOCHNYJ I IM. SERGO ORDZHONIKIDZE
发明人
PSHENICHNYJ PAVEL L,SU;MELENTEV NIKOLAJ YA,SU;RODIN OLEG F,SU;GULYANTS GRIGORIJ M,SU;VOLKOV ALEKSANDR S,SU;PETROV IGOR P,SU;GLUKHOV ILYA F,SU
分类号
E21B19/00;(IPC1-7):E21B19/00
主分类号
E21B19/00
代理机构
代理人
主权项
地址
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