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公开(公告)号:DE1288570B
公开(公告)日:1969-02-06
申请号:DED0046381
申请日:1965-01-29
Applicant: DEGUSSA
Inventor: KOBERSTEIN , EDGAR DR
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公开(公告)号:DE1289536B
公开(公告)日:1969-02-20
申请号:DED0042579
申请日:1963-09-27
Applicant: DEGUSSA
Inventor: DE RYCKE DOUGLAS AUGUST CHARLE , ENDTER , FRIEDRICH DR , KOBERSTEIN , EDGAR DR
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公开(公告)号:DE1287057B
公开(公告)日:1969-01-16
申请号:DED0049322
申请日:1966-02-09
Applicant: DEGUSSA
Inventor: KOBERSTEIN , EDGAR DR , NISCHK , WOLFGANG DR
IPC: C07B37/00
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