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公开(公告)号：US3184369A
公开(公告)日：1965-05-18
申请号：US29399663
申请日：1963-07-10
Applicant: DU PONT
Inventor： ALBERT HASELEY EDWARD
CPC classification number: D02J1/223 , D01D5/20 , D01D10/00 , D01D10/0409 , D01F6/62 , Y10T428/2976 , Y10T428/2978
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