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1.发明授权Protection means against corona of live parts in electric vacuum melting furnaces 失效电气真空熔炼炉中的带电部件的电晕保护措施
公开(公告)号：US3008027A
公开(公告)日：1961-11-07
申请号：US85516259
申请日：1959-11-24
Applicant: ASEA AB
Inventor： IVAR BECKIUS , ARNE OLIN
IPC: H05B6/36
CPC classification number: H05B6/367
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