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发明名称
Roof support assembly suitable for use in mines
摘要
申请公布号
GB1024167(A)
申请公布日期
1966.03.30
申请号
GB19640006299
申请日期
1964.02.14
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
ANDREWS THOMAS DESMOND HUDSON
分类号
E21D23/16
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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