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发明名称
Mehrteiliger Kappenzug fuer den Ausbau von Grubenraeumen,insbesondere an der Streb-Streckenuebergabe
摘要
申请公布号
DE1921334(A1)
申请公布日期
1970.11.12
申请号
DE19691921334
申请日期
1969.04.26
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
KARSTEN,WERNER
分类号
E21D17/08
主分类号
E21D17/08
代理机构
代理人
主权项
地址
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