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经营范围
发明名称
Machine pour l'exploitation minière
摘要
申请公布号
FR1445416(A)
申请公布日期
1966.07.08
申请号
FR19650029708
申请日期
1965.08.27
申请人
COAL INDUSTRY (PATENTS) LIMITED
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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