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发明名称
Appareils de mines à couteaux rotatifs pour la désintégration du minerai
摘要
申请公布号
FR1456966(A)
申请公布日期
1966.07.08
申请号
FR19650032686
申请日期
1965.09.24
申请人
JOY MANUFACTURING COMPANY
发明人
分类号
E21C31/10
主分类号
E21C31/10
代理机构
代理人
主权项
地址
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