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公开(公告)号：US3547866A
公开(公告)日：1970-12-15
申请号：US3547866D
申请日：1968-08-27
Applicant: BASF AG
Inventor： TRIESCHMANN HANS-GEORG , ZEITLER GERHARD , DICKAEUSER HEINER , REUTER LOTHAR , PFANNMUELLER HELMUT
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