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发明名称
METHOD FOR DUMPING ROCKS
摘要
申请公布号
RU2002956(C1)
申请公布日期
1993.11.15
申请号
SU19915000205
申请日期
1991.08.14
申请人
VOROBEV ALEKSANDR E;CHEKUSHINA TATYANA V
发明人
VOROBEV ALEKSANDR E;CHEKUSHINA TATYANA V
分类号
E21C41/26;(IPC1-7):E21C41/26
主分类号
E21C41/26
代理机构
代理人
主权项
地址
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