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公开(公告)号：DD292471A5
公开(公告)日：1991-08-01
申请号：DD33835590
申请日：1990-03-02
Applicant: DEGUSSA
Inventor： SPEER DIETRICH , KISS AKOS , KLEINSCHMIDT PETER , HANICH
IPC: C04B41/85 , C01B33/20 , C09C1/00 , C09C1/30 , C09C1/56 , C09C3/06 , C09C1/48
