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经营范围
发明名称
Outil rotatif pour l'abatage de la houille, d'un minerai ou d'une roche et machine de mine faisant utilisation d'un tel outil
摘要
申请公布号
FR1370084(A)
申请公布日期
1964.08.21
申请号
FR19630940843
申请日期
1963.07.09
申请人
HOUILLERES DU BASSIN DU NORD ET DU PAS-DE-CALAIS
发明人
分类号
E21D9/10
主分类号
E21D9/10
代理机构
代理人
主权项
地址
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