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公开(公告)号：DE1778292A1
公开(公告)日：1972-03-02
申请号：DE1778292
申请日：1968-04-17
Applicant: BASF AG
Inventor： JECKEL GUENTER DIPL-ING , BERGER WOLFGANG DIPL-ING , UHR HERMANN , WEBER REINHOLD
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