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发明名称
ELECTROTHERMO-MECHANICAL ROCK-DRILLING METHOD
摘要
申请公布号
SU773263(A1)
申请公布日期
1980.10.23
申请号
SU19792754779
申请日期
1979.04.17
申请人
KRIVOROZHSKIJ GORNORUDNYJ INSTITUT
发明人
OBRAZTSOV ANATOLIJ P,SU;BYZOV VLADIMIR F,SU;ITSKHAKIN VLADLEN D,SU;TISHCHENKO SERGEJ A,SU;GULYAEVA OLGA A,SU;ZHOLNACH VLADIMIR ,SU;KLEJMENOV SERGEJ N,SU
分类号
E21B7/00;E21B7/14;E21B7/15;E21C37/16;E21C37/18;(IPC1-7):E21C37/16;E21B9/08
主分类号
E21B7/00
代理机构
代理人
主权项
地址
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