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发明名称
A method and a device for the introduction of gobbing material into mine workings
摘要
申请公布号
GB769179(A)
申请公布日期
1957.02.27
申请号
GB19550014346
申请日期
1955.05.18
申请人
G. DUSTERLOH FABRIK FUR BERGWERKSBEDARF G.M.B.H.
发明人
分类号
B65G53/66;E21F15/10
主分类号
B65G53/66
代理机构
代理人
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