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发明名称
CLAMPING DEVICE OF ROCK DRILL
摘要
申请公布号
SU994715(A1)
申请公布日期
1983.02.07
申请号
SU19813303979
申请日期
1981.04.08
申请人
SP KT BYURO I GEOTEKHNICHESKOJ MEKHANIKI AN USSR
发明人
KOGAN IZRAIL SH,SU;MOROZ MIKHAIL S,SU;NIKOLAEV ANATOLIJ T,SU;NIKOLENKO ALEKSANDR KH,SU
分类号
E21B17/03;E21B19/06;(IPC1-7):E21C3/34
主分类号
E21B17/03
代理机构
代理人
主权项
地址
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