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公开(公告)号：US3481849A
公开(公告)日：1969-12-02
申请号：US3481849D
申请日：1966-06-01
Applicant: HOECHST AG
Inventor： BEERMANN CLAUS , RAMLOCH HERBERT , ROSINGER SIGURD
IPC: C07C20060101 , C07C303/14 , C07C309/04 , B01J1/10
CPC classification number: C07C303/14 , C07C309/04 , C07C309/25
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