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经营范围
发明名称
Dispositif de soutènement pour les bifurcations des galeries souterraines, et son procédé de montage.
摘要
申请公布号
BE582147(A1)
申请公布日期
1960.12.16
申请号
BE19590582147
申请日期
1959.09.29
申请人
BAYERISCHE BERG-, HUETTEN UND SALZWERKE AKTIENGESELLSCHAFT
发明人
分类号
E21D11/36;(IPC1-7):E21D
主分类号
E21D11/36
代理机构
代理人
主权项
地址
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