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发明名称
Machine pour l'abattage de matières minérales telles que charbon, dans des veines verticales ou fortement inclinées
摘要
申请公布号
FR1423608(A)
申请公布日期
1966.01.07
申请号
FR19600846759
申请日期
1960.12.13
申请人
SOCIETE D'APPLICATIONS GENERALES D'ELECTRICITE ET DE MECANIQUE SAGEM
发明人
分类号
E21C27/06
主分类号
E21C27/06
代理机构
代理人
主权项
地址
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