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发明名称
A METHOD AND APPARATUS FOR STOWING AND PACKING DEBRIS IN MINES
摘要
申请公布号
GB1279711(A)
申请公布日期
1972.06.28
申请号
GB19690026329
申请日期
1969.05.23
申请人
LOCKWOOD BENNETT LIMITED
发明人
PETER LOCKWOOD
分类号
E21F15/06
主分类号
E21F15/06
代理机构
代理人
主权项
地址
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