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公开(公告)号:DE2258608A1
公开(公告)日:1974-06-06
申请号:DE2258608
申请日:1972-11-30
Applicant: BASF AG
Inventor: ROTTER GERHARD DR-ING , ROOS ROLAND
IPC: G11B5/00 , G11B20/02 , G11B20/06 , G11B21/02 , H03B29/00 , H03G3/34 , H04N5/94 , H04N9/802 , G11B27/36 , G11B5/02