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发明名称
Improvements in combined mine roof support and conveyor systems
摘要
申请公布号
GB1101825(A)
申请公布日期
1968.01.31
申请号
GB19650032400
申请日期
1965.07.29
申请人
W. E. & F. DOBSON LIMITED
发明人
TAYLOR LAWRENCE WILLIAM
分类号
E21F13/08
主分类号
E21F13/08
代理机构
代理人
主权项
地址
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