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公开(公告)号：US3256172A
公开(公告)日：1966-06-14
申请号：US14732561
申请日：1961-10-24
Applicant: HOECHST AG
Inventor： JOHANNES DORFEL , FRANZ HOLZINGER , HEINZ SCHMIDT , WERNER SCHMIDT , WALDEMAR ZIEMER
CPC classification number: C25B15/06 , C25B9/04 , C25C7/06 , H01H71/20 , H01H85/0241 , H01H2085/025 , H01M2/34
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