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经营范围
发明名称
Procédé et dispositif pour l'abatage du charbon, utilisables notamment dans les mines.
摘要
申请公布号
BE573464(A1)
申请公布日期
1959.04.01
申请号
BE19580573464
申请日期
1958.12.01
申请人
GEWERKSCHAFT EISENHUTTE WESTFALIA
发明人
分类号
(IPC1-7):E21C
主分类号
(IPC1-7):E21C
代理机构
代理人
主权项
地址
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