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发明名称
FOERDER- UND GEWINNUNGSANLAGE FUER DEN KOHLEABBAU IM FALLENDEN VERHIEB
摘要
申请公布号
DE7524359(U)
申请公布日期
1975.12.11
申请号
DE19750024359U
申请日期
1975.07.31
申请人
LEWIN H
发明人
分类号
E21C35/20;E21C41/18;(IPC1-7):E21C35/20
主分类号
E21C35/20
代理机构
代理人
主权项
地址
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