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发明名称
(A) ;Thickening device and method
摘要
申请公布号
US4055494(B1)
申请公布日期
1987.02.10
申请号
US19770768315
申请日期
1977.02.14
申请人
发明人
分类号
B01D21/08;B01D21/00;B01D21/06;C02F1/52;C02F1/68
主分类号
B01D21/08
代理机构
代理人
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