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公开(公告)号：DD148775A5
公开(公告)日：1981-06-10
申请号：DD21847080
申请日：1980-01-15
Applicant: DEGUSSA
Inventor： ENGEL JUERGEN , KLEEMANN AXEL , STROMAN FRITZ , ACHTERRATH-TUCKERMANN UTE , THIEMER KLAUS
IPC: C07D333/00 , C07D409/14
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