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发明名称
STEERING OF MINING MACHINES
摘要
申请公布号
GB2144466(A)
申请公布日期
1985.03.06
申请号
GB19830020840
申请日期
1983.08.02
申请人
* COAL INDUSTRY
发明人
JOHN RAYMOND * WOLFENDEN
分类号
E21C29/00;E21C35/10;E21C35/24;(IPC1-7):E21C35/24
主分类号
E21C29/00
代理机构
代理人
主权项
地址
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