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公开(公告)号：DE1149338B
公开(公告)日：1963-05-30
申请号：DEB0063544
申请日：1961-08-05
Applicant: BASF AG
Inventor： HAAS DR HANS , SCHMIDT DIPL-ING HANS , GROSSE DIPL-ING HANS-JOACHIM
IPC: C01C3/10
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