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发明名称
LONGWALL MINING METHOD AND APPARATUS
摘要
申请公布号
AU2003201199(A1)
申请公布日期
2003.07.24
申请号
AU20030201199
申请日期
2003.01.10
申请人
FERGUSSON, JEFFREY, ROBERT
发明人
JEFFREY, ROBERT FERGUSSON
分类号
E21C41/18;E21D20/00;E21D21/00;(IPC1-7):E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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