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公开(公告)号：US2716652A
公开(公告)日：1955-08-30
申请号：US40687754
申请日：1954-01-28
Applicant: BASF AG
Inventor： WILLY BRAUN , GERHARD TREUGE
IPC: C07C45/65
CPC classification number: C07C45/65 , C07C49/683
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