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公开(公告)号：US3380890A
公开(公告)日：1968-04-30
申请号：US45623465
申请日：1965-05-17
Applicant: ASEA AB
Inventor： GLANDIN CONSTAN , JANSSON ERIK OLOV
CPC classification number: G21C3/334 , G21C3/348 , G21C3/3566 , Y02E30/40 , Y10S376/902
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