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公开(公告)号：CH502766A
公开(公告)日：1971-02-15
申请号：CH1009569
申请日：1969-07-01
Applicant: BASF AG
Inventor： BRONSTERT KLAUS DR , BUCHHOLZ KARL DR , BUCHNER WNTON DR , FRIEDRICH HOFHERR , LANG HANS DR , WXEL WAGENKNECHT , GUENTHER WURL
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