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公开(公告)号：DE3939973A1
公开(公告)日：1991-06-06
申请号：DE3939973
申请日：1989-12-02
Applicant: BASF AG
Inventor： FUCHS HARALD DR , LICHT ULRIKE DR , RINGSDORF HELMUT PROF DR , BLANKENBURG R DR , AHLERS MICHAEL
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