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公开(公告)号：CH531989A
公开(公告)日：1972-12-31
申请号：CH1319768
申请日：1968-09-03
Applicant: DEGUSSA
Inventor： EDITH EISENMENGER , KUEHNERT OTTO DR , ROBERT KUHLMANN , PETER NAUROTH , TUERK GUENTER DR
IPC: C01B33/154 , C01B33/193 , C09C1/28 , C09C1/30 , C09C3/10 , C09D7/00 , C09D167/00 , C01B33/00
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