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公开(公告)号：US3385843A
公开(公告)日：1968-05-28
申请号：US51136165
申请日：1965-12-03
Applicant: HOECHST AG
Inventor： HERMANN REMY , JOHANN WENGHOFER
IPC: C09B62/51
CPC classification number: C09B62/51
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