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公开(公告)号：US3446587A
公开(公告)日：1969-05-27
申请号：US3446587D
申请日：1966-11-23
Applicant: BASF AG
Inventor： JOCKERS KURT , MEIER HERMANN , TAGLINGER LUDWIG
IPC: C01B21/24
CPC classification number: C01B21/24
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