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公开(公告)号：US3417073A
公开(公告)日：1968-12-17
申请号：US51410565
申请日：1965-12-15
Applicant: HOECHST AG
Inventor： FRITZ MEININGER , ERNST HILLE , FRITZ OSTERLOH
IPC: C09B62/477
CPC classification number: C09B62/477
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