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1.发明授权
公开(公告)号：US2909499A
公开(公告)日：1959-10-20
申请号：US64877557
申请日：1957-03-27
Applicant: UNION CARBIDE CORP
Inventor： HOAGLIN RAYMOND I , REID WILLIAM J , KELSO ROBERT G
CPC classification number: C08G63/16 , C08L27/06 , C08L67/02 , C08L2666/14
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