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经营范围
发明名称
VANNFORDAMPNINGSPROSESS.
摘要
申请公布号
NO810566(A)
申请公布日期
1981.08.21
申请号
NO19810000566
申请日期
1981.02.19
申请人
DU PONT DE NEMOUR AND CO, E.I.,
发明人
HARTIG, MARTVAL JOHN,
分类号
B01D1/22;B01D1/26;B01D1/28;B01D1/30;C02F1/08;F28D3/00;F28F3/04;F28F21/06;(IPC1-7):B01D/
主分类号
B01D1/22
代理机构
代理人
主权项
地址
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