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发明名称
DEVICE FOR RECEIVING AND DISPENSING DRILL RODS
摘要
申请公布号
SU825845(A1)
申请公布日期
1981.04.30
申请号
SU19792783245
申请日期
1979.06.22
申请人
KUZBASSKIJ POLT INSTITUT
发明人
SAFOKHIN MIKHAIL S,SU;NACHEV KONSTANTIN V,SU;BOGOMOLOV IGOR D,SU;MAMETEV LEONID E,SU
分类号
E21B19/14;(IPC1-7):E21B19/14
主分类号
E21B19/14
代理机构
代理人
主权项
地址
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