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公开(公告)号：US2830962A
公开(公告)日：1958-04-15
申请号：US43669654
申请日：1954-06-14
Applicant: UNION CARBIDE CORP
Inventor： POTTER PETER B , FRAZIER GROFF
CPC classification number: B41F23/06 , C08L25/06 , C08L91/06 , C08L2666/02
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