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公开(公告)号：BR9004994A
公开(公告)日：1991-09-10
申请号：BR9004994
申请日：1990-10-05
Applicant: DEGUSSA
Inventor： BUDER WOLFGANG , RODOLPH UDO
IPC: C07C253/34 , C07C255/16 , C07C255/34 , C07C265/06 , C07C263/18
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