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公开(公告)号：US3369855A
公开(公告)日：1968-02-20
申请号：US14714861
申请日：1961-10-24
Applicant: BASF AG
Inventor： HARTMARK BJARNE , REPPE HANS-GERHARD , ROKOHL RUDOLF , SEEFELDER MATTHIAS
CPC classification number: D06P1/5278 , D06P1/22 , D06P1/30 , Y10S8/907
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