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发明名称
Rabot à charbon à générateur de vibrations
摘要
申请公布号
FR1526343(A)
申请公布日期
1968.05.24
申请号
FR19670104035
申请日期
1967.04.25
申请人
FIRMA GEWERKSCHAFT EISENHUETTE WESTFALIA
发明人
分类号
E21C27/46
主分类号
E21C27/46
代理机构
代理人
主权项
地址
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