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发明名称
Ausbaueinheit fuer den Abbau in steiler Lagerung und Ausbauverfahren unter Verwendung solcher Ausbaueinheiten
摘要
申请公布号
DE1094212(B)
申请公布日期
1960.12.08
申请号
DE1956ST11047
申请日期
1956.04.06
申请人
BERGWERKSVERBAND GESELLSCHAFT MIT BESCHRAENKTER HAFTUNG
发明人
KOORMANN HEINRICH;ACKERSCHOTT WILLI
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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