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公开(公告)号：US3215636A
公开(公告)日：1965-11-02
申请号：US15548261
申请日：1961-11-28
Applicant: BAYER AG
Inventor： WALTER HAGGE , GUNTHER BOEHMKE , HANS GEFFERS , MATHIEU QUAEDVLIEG
CPC classification number: C11D3/0026 , B01D19/0404 , C11D1/72 , B01D19/0436
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