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发明名称
ANORDNUNG ZUM HEREINGEWINNEN VON ALS FLOEZ ABGELAGERTEN MINERALIEN, INSBESONDERE VON KOHLE
摘要
申请公布号
DE4024250(A1)
申请公布日期
1992.02.06
申请号
DE19904024250
申请日期
1990.07.31
申请人
LINSINGEN-HEINTZMANN, PETER VON, DIPL.-ING., 4630 BOCHUM, DE
发明人
LINSINGEN-HEINTZMANN, PETER VON, DIPL.-ING., 4630 BOCHUM, DE
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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