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公开(公告)号:US3405033A
公开(公告)日:1968-10-08
申请号:US56222366
申请日:1966-07-01
Applicant: ASEA AB
Inventor: BJORN WIDELL , SANTEN AART VAN , CONSTAN GLANDIN
CPC classification number: G21C3/348 , G21C3/344 , G21C3/352 , G21C3/3563 , G21C3/3566 , Y02E30/40