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发明名称
Procédé et dispositif pour charger directement en berlines par râclage les produits abattus dans les galeries de mines
摘要
申请公布号
FR1254464(A)
申请公布日期
1961.02.24
申请号
FR19605917535
申请日期
1960.01.12
申请人
发明人
BRESCHARD JEAN-MARC;BRESCHARD MICHEL
分类号
E21F13/06
主分类号
E21F13/06
代理机构
代理人
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地址
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