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经营范围
发明名称
Grubenausbau mit Schaleisen
摘要
申请公布号
DE809066(C)
申请公布日期
1951.07.23
申请号
DE1948P005638
申请日期
1948.10.02
申请人
DR.-ING. HANS JOACHIM VON HIPPEL
发明人
HIPPEL DR.-ING. HANS JOACHIM VON
分类号
E21D15/54;E21D17/01;E21D17/10
主分类号
E21D15/54
代理机构
代理人
主权项
地址
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