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公开(公告)号：DE952472C
公开(公告)日：1956-11-15
申请号：DEB0006629
申请日：1941-04-24
Applicant: BASF AG
Inventor： FIKENTSCHER DR HANS , HERRLE DR KARL , GRAMS DR-ING ERHARD
IPC: C08F4/28
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