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发明名称
Cowl device for mining machinery
摘要
申请公布号
GB2214207(A)
申请公布日期
1989.08.31
申请号
GB19880021914
申请日期
1988.09.05
申请人
* GREEN & BINGHAM LIMITED
发明人
JACK * MIDDLETON
分类号
E21C25/14
主分类号
E21C25/14
代理机构
代理人
主权项
地址
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