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公开(公告)号：US3122456A
公开(公告)日：1964-02-25
申请号：US748360
申请日：1960-02-08
Applicant: BAYER AG
Inventor： INGEBURG MEIER , JURGEN-DIETRICH MEIER , SIGRID MEIER , HERBERT CORTE
IPC: C13B20/14
CPC classification number: C13B20/14 , Y10S210/917
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