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发明名称
SHEARER
摘要
申请公布号
RU2004795(C1)
申请公布日期
1993.12.15
申请号
SU19914947025
申请日期
1991.06.21
申请人
GOSUDARSTVENNYJ PROEKTNO-KONSTRUKTORSKIJ I EKSPERIMENTALNYJ INSTITUT UGOLNOGO MASHINOSTROENIYA
发明人
POVOLOTSKIJ IGOR A;TSAPURIN ALEKSANDR G;OSOKIN YURIJ I;PUKIS ALEKSANDR A
分类号
E21C27/00;E21C27/02;(IPC1-7):E21C27/00
主分类号
E21C27/00
代理机构
代理人
主权项
地址
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