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公开(公告)号:JPS595468A
公开(公告)日:1984-01-12
申请号:JP11298483
申请日:1983-06-24
Applicant: Basf Ag
Inventor: HORUSUTO FUITSUTERAA , ROORANTO ROOSU , BURUFU MIYUNTSUNAA , BUERUNAA BARUTSU , HAINTSU BERUGAA
IPC: G11B23/087
CPC classification number: G11B23/08721 , G11B23/08757 , Y10S242/906