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361.Regulating means for current rectifying or converting apparatus 失效
Title translation: 电流整流或转换装置的调节装置公开(公告)号:US2128771A
公开(公告)日:1938-08-30
申请号:US7991236
申请日:1936-05-15
Applicant: ASEA AB
Inventor: HARRY FORSSELL , HAKAN OFVERHOLM
CPC classification number: H02M7/213
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公开(公告)号:US2120352A
公开(公告)日:1938-06-14
申请号:US13054737
申请日:1937-03-12
Applicant: ASEA AB
Inventor: NILS ERICSON
IPC: H02K49/02
CPC classification number: H02K49/02
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公开(公告)号:US2093250A
公开(公告)日:1937-09-14
申请号:US8836936
申请日:1936-07-01
Applicant: ASEA AB
Inventor: DANIEL RONNBERG
IPC: H01H33/96
CPC classification number: H01H33/96
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公开(公告)号:US2072549A
公开(公告)日:1937-03-02
申请号:US5158935
申请日:1935-11-26
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/06
CPC classification number: H05B6/067
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365.Arrangement in electric induction furnaces without a closed ferromagnetic circuit 失效
Title translation: 没有封闭铁磁电路的电感炉的布置公开(公告)号:US1935046A
公开(公告)日:1933-11-14
申请号:US63080132
申请日:1932-08-29
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/24
CPC classification number: H05B6/24
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公开(公告)号:US1887189A
公开(公告)日:1932-11-08
申请号:US24157827
申请日:1927-12-21
Applicant: ASEA AB
Inventor: VALDEMAR STERNER
IPC: H01H51/32
CPC classification number: H01H51/32
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公开(公告)号:US1842588A
公开(公告)日:1932-01-26
申请号:US33125329
申请日:1929-01-09
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H02K3/20
CPC classification number: H02K3/20
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公开(公告)号:US1787028A
公开(公告)日:1930-12-30
申请号:US25779928
申请日:1928-02-29
Applicant: ASEA AB
Inventor: ARLE YTTERBERG , IVAR HERLITZ
IPC: H02P9/24
CPC classification number: H02P9/24
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公开(公告)号:US1712033A
公开(公告)日:1929-05-07
申请号:US14264026
申请日:1926-10-19
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H02K17/38
CPC classification number: H02K17/38
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公开(公告)号:US1657056A
公开(公告)日:1928-01-24
申请号:US10369526
申请日:1926-04-22
Applicant: ASEA AB
Inventor: ARLE YTTERBERG , AAGE GARDE
IPC: H02P9/24
CPC classification number: H02P9/24 , Y10T307/977
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