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公开(公告)号：US3023075A
公开(公告)日：1962-02-27
申请号：US69656257
申请日：1957-11-14
Applicant: BRITISH CELANESE
Inventor： THOMAS LARMAN WILLIAM , GEORGE HAWTIN SELWYN , JOHN DOWNING
CPC classification number: D04H3/077 , A24D3/0237 , D01D5/06 , D01D10/0445 , D04H3/013 , D04H3/16
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