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发明名称
Improvements in apparatus for the electro-magnetic separation of minerals
摘要
申请公布号
GB326223(A)
申请公布日期
1930.03.10
申请号
GB19280032763
申请日期
1928.11.09
申请人
ARTHUR DAVIES
发明人
分类号
B03C1/14
主分类号
B03C1/14
代理机构
代理人
主权项
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