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公开(公告)号：US2493902A
公开(公告)日：1950-01-10
申请号：US65634446
申请日：1946-03-22
Applicant: CELANESE CORP
Inventor： BARNETT SLOCOMBE BASIL GILFRID , MILLER FULTON STEPHEN
IPC: D02H13/28
CPC classification number: D02H13/28
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