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公开(公告)号：DE3817279A1
公开(公告)日：1989-11-30
申请号：DE3817279
申请日：1988-05-20
Applicant: BASF AG
Inventor： PIPPER GUNTER , MATTHIES HANS GEORG DR , MCKEE GRAHAM EDMUND DR , THEYSON RAINER DR
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