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经营范围
发明名称
Procédé et appareil de clarification, à plateaux multiples
摘要
申请公布号
FR921026(A)
申请公布日期
1947.04.24
申请号
FRD921026
申请日期
1946.02.01
申请人
THE DORR COMPANY
发明人
分类号
B01D21/00
主分类号
B01D21/00
代理机构
代理人
主权项
地址
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