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发明名称
Mining machinery
摘要
申请公布号
GB1109605(A)
申请公布日期
1968.04.10
申请号
GB19640030403
申请日期
1964.08.01
申请人
MAVOR & COULSON LIMITED
发明人
LOWE ALEXANDER CHARLES
分类号
E21C35/12
主分类号
E21C35/12
代理机构
代理人
主权项
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