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发明名称
Improvements relating to apparatus for sorting or separating coal and other minerals
摘要
申请公布号
GB347039(A)
申请公布日期
1931.04.23
申请号
GB19300016277
申请日期
1930.05.27
申请人
WILFRED BARKER
发明人
分类号
B07B13/10
主分类号
B07B13/10
代理机构
代理人
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