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发明名称
METHOD OF WINNING OF COAL BY AUGER DRILLING
摘要
申请公布号
SU859584(A1)
申请公布日期
1981.08.30
申请号
SU19792761809
申请日期
1979.04.27
申请人
DO NI UGOLNYJ I MINISTERSTVA UGOLNOJ PROMY USSR;KOPEJSKIJ MASHINOSTROITELNYJ ZAVOD IM.S.M.KIROVA
发明人
MANZHULA IVAN T,SU;MASLYUK GEORGIJ M,SU;GORLENKO VIKTOR V,SU;KRUTILIN VLADIMIR I,SU;KISELEV EVGENIJ I,SU;TVEREZYJ YURIJ F,SU
分类号
E21C27/22;E21B1/00;(IPC1-7):E21B1/00
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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