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公开(公告)号：US3192265A
公开(公告)日：1965-06-29
申请号：US12534161
申请日：1961-07-20
Applicant: INVENTA AG
Inventor： WALTER ZEHUDER , KASPAR RYFFEL
IPC: C07D493/08
CPC classification number: C07D493/08
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