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公开(公告)号：CH634255A5
公开(公告)日：1983-01-31
申请号：CH12578
申请日：1978-01-05
Applicant: BASF AG
Inventor： BRETTSCHNEIDER HELMUT , MATTHIAS KLAUS DR , MAHNKE HARALD DR , TRAUTZ VOLKER DR , WEBER HEINZ DR
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