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发明名称
Apparatus for automatically controlling the steering of a mineral mining machine
摘要
申请公布号
US3294449(A)
申请公布日期
1966.12.27
申请号
US19620215099
申请日期
1962.08.06
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
HARTLEY DENNIS;COOPER LAURENCE READE
分类号
E21C35/24
主分类号
E21C35/24
代理机构
代理人
主权项
地址
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