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发明名称
MINERAL WINNING INSTALLATION
摘要
申请公布号
GB9109514(D0)
申请公布日期
1991.06.26
申请号
GB19910009514
申请日期
1991.05.02
申请人
LINSINGEN-HEINTZMANN, PETER VON
发明人
分类号
E21C27/34;E21C41/18;E21D23/00
主分类号
E21C27/34
代理机构
代理人
主权项
地址
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