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发明名称
Dispositif de guidage de machine d'extraction dans une installation pour l'abatage et (ou) le chargement automatique du charbon
摘要
申请公布号
FR1005176(A)
申请公布日期
1952.04.07
申请号
FRD1005176
申请日期
1947.06.16
申请人
GEWERKSCHAFT EISENHU:TTE WESTFALIA
发明人
分类号
E21C35/12
主分类号
E21C35/12
代理机构
代理人
主权项
地址
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