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发明名称
Verfahren und Vorrichtung zur Abraeumung des Deckgebirges in Tagebauen
摘要
申请公布号
DE564776(C)
申请公布日期
1933.03.09
申请号
DED564776D
申请日期
申请人
BLEICHERT-TRANSPORTANLAGEN G.M.B.H.
发明人
分类号
E21C47/02
主分类号
E21C47/02
代理机构
代理人
主权项
地址
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