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公开(公告)号：US3449372A
公开(公告)日：1969-06-10
申请号：US3449372D
申请日：1967-02-09
Applicant: UNION CARBIDE CORP
Inventor： MARCUS ERICH , CHAN JOHN K
IPC: C07D311/16 , C07D7/28
CPC classification number: C07D311/16
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