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发明名称
METHOD OF STRIP MINING OF MINERALS
摘要
申请公布号
SU1004636(A1)
申请公布日期
1983.03.15
申请号
SU19813261682
申请日期
1981.03.17
申请人
PARSHKIN EDUARD M,SU
发明人
PARSHKIN EDUARD M,SU
分类号
E21C41/00;(IPC1-7):E21C41/00
主分类号
E21C41/00
代理机构
代理人
主权项
地址
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