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公开(公告)号:BR8903808A
公开(公告)日:1990-03-20
申请号:BR8903808
申请日:1989-07-31
Applicant: DEGUSSA
Inventor: FERCH HORST , MATHIAS JOHANN , KAHNT GUNTER , KUPFER CHRISTIAN
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公开(公告)号:ES2043960T3
公开(公告)日:1994-01-01
申请号:ES89110746
申请日:1989-06-14
Applicant: DEGUSSA
Inventor: FERCH HORST DR , MATHIAS JOHANN DR , KAHNT GUNTER PROF-DR , KUPFER CHRISTIAN
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公开(公告)号:BR8903809A
公开(公告)日:1990-03-20
申请号:BR8903809
申请日:1989-07-31
Applicant: DEGUSSA
Inventor: FERCH HORST , MATHIAS JOHANN , KAHNT GUNTER , KUPFER CHRISTIAN
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