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公开(公告)号:DE2639250A1
公开(公告)日:1978-03-09
申请号:DE2639250
申请日:1976-09-01
Applicant: BASF AG
Inventor: BECKER HANS-JUERGEN DIPL ING D , KOESTER EBERHARD DIPL PHYS DR , OHLINGER MANFRED DIPL CHEM DR , STECK WERNER DIPL CHEM DR , SCHOENAFINGER EDUARD DIPL CHEM
IPC: C01G49/06 , C01G49/00 , G11B5/706 , H01F1/34