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发明名称
Improvements in machines for the winning of coal or other minerals
摘要
申请公布号
GB924752(A)
申请公布日期
1963.05.01
申请号
GB19600044438
申请日期
1960.12.28
申请人
STAHLWERKE BRUNINGHAUS G.M.B.H.
发明人
分类号
E21C27/38;E21C27/46
主分类号
E21C27/38
代理机构
代理人
主权项
地址
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