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发明名称
Improvements in devices for the automatic control of jigs for washing coal, ore, or any other products
摘要
申请公布号
GB675467(A)
申请公布日期
1952.07.09
申请号
GB19470024859
申请日期
1947.09.10
申请人
PREPARATION INDUSTRIELLE DES COMBUSTIBLES
发明人
分类号
B03B5/24
主分类号
B03B5/24
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