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公开(公告)号:US3012083A
公开(公告)日:1961-12-05
申请号:US79570559
申请日:1959-02-26
Applicant: ASEA AB
Inventor: RAGNAR LUNDQVIST , TORD FREDRIKSSON
IPC: H05B6/34
CPC classification number: H05B6/34 , H05B2213/02
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公开(公告)号:US2960556A
公开(公告)日:1960-11-15
申请号:US72295258
申请日:1958-03-21
Applicant: ASEA AB
Inventor: TORD FREDRIKSSON
CPC classification number: F27D27/00 , C22B4/00 , F27D2003/0039 , H05B6/34 , H05B2213/02 , Y02P10/253
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公开(公告)号:US2835717A
公开(公告)日:1958-05-20
申请号:US63753557
申请日:1957-01-31
Applicant: ASEA AB
Inventor: TORD FREDRIKSSON
CPC classification number: H05B6/34 , H05B7/11 , H05B2213/02
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