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公开(公告)号：DE863064C
公开(公告)日：1953-01-15
申请号：DEB0007034
申请日：1939-09-16
Applicant: BASF AG
Inventor： KOLLEK LEO DR , BECK HANS DIPL-ING , KUEHNE WALTER DR
IPC: B41N1/12
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