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公开(公告)号：US2961438A
公开(公告)日：1960-11-22
申请号：US78315158
申请日：1958-12-29
Applicant: HOECHST AG
Inventor： OTTO FUCHS , REINHOLD DEUBEL
IPC: C09B39/00
CPC classification number: C09B39/00
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