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公开(公告)号:US2903483A
公开(公告)日:1959-09-08
申请号:US58592656
申请日:1956-05-21
Applicant: BAYER AG
Inventor: CARL BERRES
IPC: C07C65/30
CPC classification number: C07C65/30
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公开(公告)号:US2695289A
公开(公告)日:1954-11-23
申请号:US21328651
申请日:1951-02-28
Applicant: BAYER AG
Inventor: WERNER MULLER , CARL BERRES
CPC classification number: B03D1/02 , C09B23/105
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