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公开(公告)号：US3265459A
公开(公告)日：1966-08-09
申请号：US32202363
申请日：1963-11-07
Applicant: BASF AG
Inventor： ERHARD SCHOBER , ALFONS JANSON , HARALD SCHLUETER , ERNST WILHELM
IPC: D06P1/22
CPC classification number: D06P1/221
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