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公开(公告)号：US3347935A
公开(公告)日：1967-10-17
申请号：US28395563
申请日：1963-05-29
Applicant: HOECHST AG
Inventor： JOSEF KAUPP , KURT BLAETTNER
IPC: C08G8/30
CPC classification number: C08G61/02 , C08G8/30 , C08G2261/342
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