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公开(公告)号：DE3828669A1
公开(公告)日：1990-03-08
申请号：DE3828669
申请日：1988-08-24
Applicant: DEGUSSA
Inventor： SEXTL GERHARD DR , REUTER ROLAND , KLEINSCHMIT PETER DR , SCHWARZ RUDOLF DR , SPORYS ILONA
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