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公开(公告)号：US3402147A
公开(公告)日：1968-09-17
申请号：US33908464
申请日：1964-01-21
Applicant: HOECHST AG
Inventor： WERNER STARCK , JAKOB WINTER , HELMUT RINNO , WILHELM LAMPE
IPC: C08G63/52
CPC classification number: C08G63/52
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