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公开(公告)号：US3449414A
公开(公告)日：1969-06-10
申请号：US3449414D
申请日：1966-04-19
Applicant: BASF AG
Inventor： BOETTGER GUENTHER , GUENTHERT PAUL , KINDLER HUBERT , STANGER HANS
IPC: C07C20060101 , C07C101/26
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