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公开(公告)号：DE4007768A1
公开(公告)日：1991-09-19
申请号：DE4007768
申请日：1990-03-12
Applicant: BASF AG
Inventor： POLKE REINHARD DR , STADLER REINHOLD DR , WARNKE KLAUS DR , SOLLIK KARL
IPC: B02C17/16
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