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发明名称
Dispositif d'avance actionné par un fluide sous pression pour transporteur associé à un rabot à charbon guidé sur lui
摘要
申请公布号
FR1368081(A)
申请公布日期
1964.07.24
申请号
FR19630946766
申请日期
1963.09.06
申请人
GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C35/14;E21F13/08
主分类号
E21C35/14
代理机构
代理人
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地址
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