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经营范围
发明名称
FLOTATION MACHINE
摘要
申请公布号
CA464915(A)
申请公布日期
1950.05.09
申请号
CAD464915
申请日期
申请人
ARTHUR W. FAHREWALD
发明人
ARTHUR W. FAHREWALD
分类号
主分类号
代理机构
代理人
主权项
地址
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