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公开(公告)号：DE1618163A1
公开(公告)日：1972-04-27
申请号：DE1618163
申请日：1967-05-20
Applicant: BASF AG
Inventor： PSIORZ HELMUT DIPL-ING , DORSCH DIETER DR , TELTSCHIK WALTER DR
IPC: C10G9/38
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