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发明名称
DEVICE FOR ELECTRO-THERMOMECHANICAL DRILLING
摘要
申请公布号
SU1627694(A1)
申请公布日期
1991.02.15
申请号
SU19884604160
申请日期
1988.11.09
申请人
KRIVOROZHSKIJ GORNORUDNYJ INSTITUT
发明人
BYZOV VLADIMIR F,SU;VILKUL YURIJ G,SU;ITSKHAKIN VLADLEN D,SU;EVTUSHENKO ALEKSANDR I,SU;KRIVOSHEEV ALEKSANDR V,SU;ORYSHICH SERGEJ D,SU;ROZMARITSA PETR I,SU
分类号
E21C37/18;E21B7/15
主分类号
E21C37/18
代理机构
代理人
主权项
地址
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