发明名称 Open pit mine
摘要 This invention relates to novel configurations of open pit mines and methods of mining in open pit operations in which the benches are established radially outward from a turning point to facilitate the use of a mobile crusher adjacent the benches in combination with a belt conveyor system that can carry crushed mined mineral materials directly from the mobile crusher and deliver them directly to the turning point area.
申请公布号 US4103972(A) 申请公布日期 1978.08.01
申请号 US19760705508 申请日期 1976.07.15
申请人 KOCHANOWSKY, BORIS J. 发明人 KOCHANOWSKY, BORIS J.
分类号 E21C41/22;E21C41/26;E21C41/30;(IPC1-7):E21D1/03;E21F13/00;E21C41/06 主分类号 E21C41/22
代理机构 代理人
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