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公开(公告)号：CH467901A
公开(公告)日：1969-01-31
申请号：CH620967
申请日：1967-05-02
Applicant: HOECHST AG
Inventor： HELMUT ARM , HASSO HERTEL , HELMUT BEUTLER , RUDOLF LOEWENFELD
IPC: C09B31/06 , C09B31/075 , D06P3/38 , D06P3/56
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