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经营范围
发明名称
Rack and Pinion Haulage for Mining Machines
摘要
申请公布号
GB2080370(A)
申请公布日期
1982.02.03
申请号
GB19810022145
申请日期
1981.07.17
申请人
DRESSER EUROPE SA
发明人
分类号
E21C29/02;(IPC1-7):E21C29/00
主分类号
E21C29/02
代理机构
代理人
主权项
地址
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