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公开(公告)号:JPS5989979A
公开(公告)日:1984-05-24
申请号:JP19107183
申请日:1983-10-14
Applicant: ASEA AB
Inventor: RARUZU HAREN
IPC: C22B21/00 , F27B3/04 , F27B14/06 , F27D3/14 , H05B11/00