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公开(公告)号：US2953572A
公开(公告)日：1960-09-20
申请号：US75708958
申请日：1958-08-25
Applicant: UNION CARBIDE CORP
Inventor： DUNN JESSE T , LEE HEYWOOD DONALD
IPC: C07D213/89
CPC classification number: C07D213/89
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