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发明名称
APPARATUS FOR THE CONCENTRATION OF ORES BY FLOTATION
摘要
申请公布号
CA303093(A)
申请公布日期
1930.08.19
申请号
CAD303093
申请日期
申请人
JEAN FRANCOIS MARIE REGINALD DE ROBILLARD
发明人
JEAN FRANCOIS MARIE REGINALD DE ROBILLARD
分类号
主分类号
代理机构
代理人
主权项
地址
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