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发明名称
SET FOR CUTTING AND EXCAVATION OF COAL
摘要
申请公布号
SU861635(A2)
申请公布日期
1981.09.07
申请号
SU19782681214
申请日期
1978.11.09
申请人
SP KT BYURO I GEOTEKHNICHESKOJ MEKHANIKI AN USSR
发明人
POTURAEV VALENTIN N,SU;CHERVONENKO ALFRED G,SU;TSAREGORODTSEV EVGENIJ A,SU;GURIN IVAN A,SU;KHARCHENKO NIKOLAJ N,SU
分类号
E21D23/00;(IPC1-7):E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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