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发明名称
Improvements in cutter chains for mining machines
摘要
申请公布号
GB539868(A)
申请公布日期
1941.09.26
申请号
GB19400006334
申请日期
1940.04.08
申请人
THE CINCINNATI MINE MACHINERY COMPANY
发明人
分类号
E21C25/36
主分类号
E21C25/36
代理机构
代理人
主权项
地址
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