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发明名称
Improvements in means for treating ores, coals and the like
摘要
申请公布号
GB694714(A)
申请公布日期
1953.07.29
申请号
GB19490005462
申请日期
1949.02.28
申请人
EDMOND HARVENGT
发明人
分类号
B03B5/24
主分类号
B03B5/24
代理机构
代理人
主权项
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