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发明名称
Improved ore dressing
摘要
申请公布号
GB478895(A)
申请公布日期
1938.01.27
申请号
GB19360021685
申请日期
1936.08.06
申请人
ALOIS JOHN JOSEPH FIFER
发明人
分类号
B03B5/02;B03B5/36;B03B5/38;B03B11/00
主分类号
B03B5/02
代理机构
代理人
主权项
地址
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