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发明名称
équipement de déhouillage pour la percée d'une galerie de mine avec barrage ou niche destinée à une machine
摘要
申请公布号
FR1390140(A)
申请公布日期
1965.02.19
申请号
FR19640972447
申请日期
1964.04.27
申请人
GEWERKSCHAFT EISENHUETTE 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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