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发明名称
Method for excavating a working face
摘要
申请公布号
EP0692611(A3)
申请公布日期
1997.03.26
申请号
EP19950301473
申请日期
1995.03.07
申请人
SUNKYONG ENGINEERING & CONSTRUCTION LIMITED
发明人
YOON, YEONGIAE;KIM, MYONGKYU
分类号
E21D9/06;E21C37/16;E21D9/00;F42D1/00;F42D1/08;F42D3/04;(IPC1-7):E21C37/16
主分类号
E21D9/06
代理机构
代理人
主权项
地址
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