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公开(公告)号：YU33181B
公开(公告)日：1976-06-30
申请号：YU237169
申请日：1969-09-19
Applicant: HOECHST AG
Inventor： ERPENBACH H , OHORODNIK A , SENNEWALD K , WOGT W , GLASER H , LECHENICH H
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