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1.Method and furnace for heating bars to be forged by means of eddy currents 失效
Title translation: 用于通过涡流锻造加热棒的方法和炉公开(公告)号:US2666830A
公开(公告)日:1954-01-19
申请号:US20158550
申请日:1950-12-19
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: B21J17/02
CPC classification number: B21J17/02
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公开(公告)号:US2665319A
公开(公告)日:1954-01-05
申请号:US16086150
申请日:1950-05-09
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/34
CPC classification number: H05B6/34 , H05B2213/02
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公开(公告)号:US2369287A
公开(公告)日:1945-02-13
申请号:US42131141
申请日:1941-12-02
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H02K19/20
CPC classification number: H02K19/20
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4.
公开(公告)号:US2176488A
公开(公告)日:1939-10-17
申请号:US11660336
申请日:1936-12-18
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/02
CPC classification number: H05B6/101
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5.
公开(公告)号:US2832877A
公开(公告)日:1958-04-29
申请号:US60916956
申请日:1956-09-11
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/02
CPC classification number: H05B6/02
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公开(公告)号:US2758144A
公开(公告)日:1956-08-07
申请号:US39237253
申请日:1953-11-16
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
CPC classification number: B21D7/162 , H01J2893/0027 , H02J3/26 , H05B7/005 , Y02E40/50 , Y02P70/139
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7.
公开(公告)号:US2650255A
公开(公告)日:1953-08-25
申请号:US19244150
申请日:1950-10-27
Applicant: ASEA AB
Inventor: HOGEL LENNART K G , LUDWIG DREYFUS
CPC classification number: F27B14/061 , F27B14/10
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公开(公告)号:US1941075A
公开(公告)日:1933-12-26
申请号:US65027933
申请日:1933-01-05
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/24
CPC classification number: H05B6/24
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公开(公告)号:US2676232A
公开(公告)日:1954-04-20
申请号:US29524052
申请日:1952-06-24
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: H05B6/06
CPC classification number: H05B6/06
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公开(公告)号:US2589065A
公开(公告)日:1952-03-11
申请号:US1345748
申请日:1948-03-06
Applicant: ASEA AB
Inventor: LUDWIG DREYFUS
IPC: B03C1/253
CPC classification number: B03C1/253
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