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公开(公告)号：US3208875A
公开(公告)日：1965-09-28
申请号：US16458962
申请日：1962-01-05
Applicant: DU PONT
Inventor： HOLDEN ELLSWORTH K
CPC classification number: D06N3/14 , B01D67/0009 , B01D67/0044 , B01D2323/12 , C08J9/28 , C08J2201/05 , C08J2201/0542 , D06M23/10 , Y10S428/904
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