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经营范围
发明名称
Mining machines
摘要
申请公布号
GB587352(A)
申请公布日期
1947.04.23
申请号
GB19440006194
申请日期
1944.04.03
申请人
MATTHEW SMITH MOORE;THE MINING ENGINEERING COMPANY LIMITED
发明人
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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