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发明名称
JACKING SYSTEM FOR MINING EQUIPMENT USED IN CORRIDOR-TYPE INCLINED EXCAVATIONSKH UZKIKH VYRABOTKAKH
摘要
申请公布号
PL119965(B1)
申请公布日期
1982.02.27
申请号
PL19790215121
申请日期
1979.04.23
申请人
发明人
分类号
E21C;E21C29/08;(IPC1-7):E21C29/08
主分类号
E21C
代理机构
代理人
主权项
地址
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