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发明名称
MINING MACHINE AND GEARBOX
摘要
申请公布号
GB2060794(B)
申请公布日期
1983.11.30
申请号
GB19800032569
申请日期
1980.10.09
申请人
MINING SUPPLIES LTD
发明人
分类号
E21C31/02;E21C35/04;(IPC1-7):F16H47/02
主分类号
E21C31/02
代理机构
代理人
主权项
地址
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