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发明名称
Mécanisme d'avance d'un transporteur le long du front de taille d'une mine
摘要
申请公布号
FR1371071(A)
申请公布日期
1964.08.28
申请号
FR19630950146
申请日期
1963.10.10
申请人
DOWTY MINING EQUIPMENT LIMITED
发明人
分类号
E21D23/16;E21F13/08
主分类号
E21D23/16
代理机构
代理人
主权项
地址
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