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公开(公告)号：US2851474A
公开(公告)日：1958-09-09
申请号：US54403555
申请日：1955-10-31
Applicant: UNION CARBIDE CORP
Inventor： PINES ARTHUR N , GODLEWSKI ROBERT E
CPC classification number: C07F7/1804 , C08G77/20
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