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公开(公告)号：YU80372A
公开(公告)日：1981-02-28
申请号：YU80372
申请日：1972-03-27
Applicant: BASF AG
Inventor： NORBERT SCHAEFFER , SCHAEFFER NORBERT , HORST FITTERER , FITTERER HORST , KARL UH , UH KARL , GEORG SCHNELL , SCHNELL GEORG
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