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经营范围
发明名称
Soutènement de galerie pour exploitations minières.
摘要
申请公布号
BE586799(A1)
申请公布日期
1960.07.22
申请号
BE19600586799
申请日期
1960.01.21
申请人
RHEINSTAHL WANHEIM G.M.B.H.
发明人
分类号
E21D11/00;E21D11/18;(IPC1-7):E21D
主分类号
E21D11/00
代理机构
代理人
主权项
地址
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