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公开(公告)号:US2912475A
公开(公告)日:1959-11-10
申请号:US57858156
申请日:1956-04-17
Applicant: HOECHST AG
Inventor: WALTER KRAUSE , HANS KREKELER , RUDOLF WIRTZ , HERBERT KAMPTNER , DITMAR BACHMANN
公开(公告)号:US2912475A
公开(公告)日:1959-11-10
申请号:US57858156
申请日:1956-04-17
Applicant: HOECHST AG
Inventor: WALTER KRAUSE , HANS KREKELER , RUDOLF WIRTZ , HERBERT KAMPTNER , DITMAR BACHMANN