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公开(公告)号：DE4040568A1
公开(公告)日：1992-06-25
申请号：DE4040568
申请日：1990-12-19
Applicant: DEGUSSA
Inventor： GOETZ PETER DR , WIELAND STEFAN DR , PANSTER PETER DR , GOOR GUSTAAF DR , SIEGMEIER RAINER DR
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