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发明名称
Control systems for automatically controlling the steering of a mineral mining machine
摘要
申请公布号
GB1123374(A)
申请公布日期
1968.08.14
申请号
GB19650026368
申请日期
1965.06.22
申请人
COAL INDUSTRY (PATENTS) LIMITED
发明人
WEBB RONALD ESMOND
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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