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公开(公告)号：US3137671A
公开(公告)日：1964-06-16
申请号：US79944359
申请日：1959-03-16
Applicant: CIBA LTD
Inventor： HEINRICH BOSSHARD HANS , ANTON ELSENER , FRANZ WIRSCHING , HEINRICH ZOLLINGER
IPC: C08G18/38
CPC classification number: C08G18/3836
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