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发明名称
Loading and transport of minerals in mines and quarries
摘要
申请公布号
US3115258(A)
申请公布日期
1963.12.24
申请号
US19600027326
申请日期
1960.05.06
申请人
THE LONG MEG PLASTER & MINERAL CO. LIMITED
发明人
SHACKLEY DOUGLAS
分类号
E02F3/54;E21D9/12
主分类号
E02F3/54
代理机构
代理人
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地址
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