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发明名称
Perfectionnements apportés aux dispositifs de liaison à glissement pour cadres de soutènement pour couloirs d'abattage dans les mines ou analogues
摘要
申请公布号
BE601238(A1)
申请公布日期
1961.09.13
申请号
BE19610601238
申请日期
1961.03.13
申请人
BOCHUMER EISENHUETTE HEINTZMANN & CO.
发明人
HANS FR. HEINTZMANN
分类号
E21D11/22;(IPC1-7):E21D
主分类号
E21D11/22
代理机构
代理人
主权项
地址
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