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发明名称
Dispositif de guidage pour rabot d'abatage du charbon dans une taille en dressant
摘要
申请公布号
FR1176432(A)
申请公布日期
1959.04.10
申请号
FRD1176432
申请日期
1957.06.03
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C35/16
主分类号
E21C35/16
代理机构
代理人
主权项
地址
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