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1.
公开(公告)号:US3218420A
公开(公告)日:1965-11-16
申请号:US22607662
申请日:1962-09-25
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/825 , H01H33/91 , H01H33/915
CPC classification number: H01H33/91
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公开(公告)号:US3056873A
公开(公告)日:1962-10-02
申请号:US2806260
申请日:1960-05-10
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/75
CPC classification number: H01H33/75
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公开(公告)号:US3011097A
公开(公告)日:1961-11-28
申请号:US81763259
申请日:1959-06-02
Applicant: ASEA AB
Inventor: HAAKON FORWALD
CPC classification number: H01H33/008 , H01H33/14
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公开(公告)号:US2948790A
公开(公告)日:1960-08-09
申请号:US73555458
申请日:1958-05-15
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/92
CPC classification number: H01H33/92
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公开(公告)号:US2850599A
公开(公告)日:1958-09-02
申请号:US51224555
申请日:1955-05-31
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/75
CPC classification number: H01H33/75
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7.
公开(公告)号:US2653204A
公开(公告)日:1953-09-22
申请号:US13906250
申请日:1950-01-17
Applicant: ASEA AB
Inventor: HAAKON FORWALD
CPC classification number: H01H33/703 , H01H33/24
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公开(公告)号:US2643315A
公开(公告)日:1953-06-23
申请号:US17950650
申请日:1950-08-15
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/56
CPC classification number: H01H33/562
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公开(公告)号:US2632828A
公开(公告)日:1953-03-24
申请号:US68848
申请日:1948-01-06
Applicant: ASEA AB
Inventor: HAAKON FORWALD
IPC: H01H33/70
CPC classification number: H01H33/7015
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公开(公告)号:US3417217A
公开(公告)日:1968-12-17
申请号:US54268566
申请日:1966-04-14
Applicant: ASEA AB
Inventor: HAAKON FORWALD , WALTER PUCHER , GUSTAV SINDAHL KARL
IPC: H01H33/16 , H01H33/70 , H01H33/867
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