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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:US2003977A
公开(公告)日:1935-06-04
申请号:US67679333
申请日:1933-06-21
Applicant: ASEA AB
Inventor: DANIEL RONNBERG
IPC: H01H85/36
CPC classification number: H01H85/36
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公开(公告)号:US2020475A
公开(公告)日:1935-11-12
申请号:US65127933
申请日:1933-01-12
Applicant: ASEA AB
Inventor: DANIEL RONNBERG
IPC: H01H33/96 , H01H33/985
CPC classification number: H01H33/96
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公开(公告)号:US2235901A
公开(公告)日:1941-03-25
申请号:US17358537
申请日:1937-11-09
Applicant: ASEA AB
Inventor: DANIEL RONNBERG
IPC: H01H33/96
CPC classification number: H01H33/96
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公开(公告)号:US1658904A
公开(公告)日:1928-02-14
申请号:US11368626
申请日:1926-06-04
Applicant: ASEA AB
Inventor: DANIEL RONNBERG
IPC: H01H3/26
CPC classification number: H01H3/26
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公开(公告)号:US1771421A
公开(公告)日:1930-07-29
申请号:US39477529
申请日:1929-09-24
Applicant: ASEA AB
Inventor: DANIEL RONNBERG , ADOLF ROOTH
IPC: H01H3/30
CPC classification number: H01H3/30
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公开(公告)号:US1692867A
公开(公告)日:1928-11-27
申请号:US11363926
申请日:1926-06-04
Applicant: ASEA AB
Inventor: DANIEL RONNBERG , ADOLF ROOTH
IPC: H01H3/46
CPC classification number: H01H3/46 , Y10T74/18072 , Y10T74/18144
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