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公开(公告)号:US3375171A
公开(公告)日:1968-03-26
申请号:US49512965
申请日:1965-10-12
Applicant: ASEA AB
Inventor: KARE HANNERZ
IPC: G21C7/26
CPC classification number: G21C7/26 , Y02E30/31 , Y02E30/39