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发明名称
Procédé et dispositif pour la commande d'un soutènement hydraulique, utilisable notamment dans les mines
摘要
申请公布号
FR1201174(A)
申请公布日期
1959.12.29
申请号
FRD1201174
申请日期
1958.08.07
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21D23/00
主分类号
E21D23/00
代理机构
代理人
主权项
地址
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