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公开(公告)号：AT254818B
公开(公告)日：1967-06-12
申请号：AT760965
申请日：1965-08-18
Applicant: BASF AG
Inventor： BLUM ADOLF ING , UHL GUENTHER , PERKUHN ULRICH ING , SCHMIDT WOLFGANG DR
IPC: D06P1/92
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