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公开(公告)号:US2807728A
公开(公告)日:1957-09-24
申请号:US21892451
申请日:1951-04-03
Applicant: NAT RES DEV
Inventor: TOM KILBURN , CALLAND WILLIAMS FREDERIC , ROBERTS LAITHWAITE ERIC
CPC classification number: G06K7/1092 , G11C13/04 , G11C13/048 , G11C17/005
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公开(公告)号:US2784907A
公开(公告)日:1957-03-12
申请号:US28514852
申请日:1952-04-30
Applicant: NAT RES DEV
IPC: G06J1/00
CPC classification number: G06J1/00
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公开(公告)号:US2709230A
公开(公告)日:1955-05-24
申请号:US35381953
申请日:1953-05-08
Applicant: NAT RES DEV
Inventor: CALLAND WILLIAMS FREDERIC , TOM KILBURN , COLIN TOOTILL GEOFFREY
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公开(公告)号:US3161814A
公开(公告)日:1964-12-15
申请号:US9843761
申请日:1961-03-27
Applicant: NAT RES DEV
IPC: H02K17/14 , H02K41/025
CPC classification number: H02K17/14 , H02K41/025
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5.Phase transformer arrangements and induction machines employing phase transformer arrangements 失效
Title translation: 相变装置和采用相变装置的感应电机公开(公告)号:US3040226A
公开(公告)日:1962-06-19
申请号:US84445759
申请日:1959-10-05
Applicant: NAT RES DEV
IPC: H02K17/30
CPC classification number: H02K17/30
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公开(公告)号:US2895673A
公开(公告)日:1959-07-21
申请号:US37526553
申请日:1953-07-24
Applicant: NAT RES DEV
Inventor: CALLAND WILLIAMS FREDERIC
IPC: G06F7/50 , G06F7/501 , H03K19/084
CPC classification number: G06F7/5013 , H03K19/084
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公开(公告)号:US2856573A
公开(公告)日:1958-10-14
申请号:US47644654
申请日:1954-12-20
Applicant: NAT RES DEV
Inventor: CALLAND WILLIAMS FREDERIC , ROBERTS LAITHWAITE ERIC
IPC: H02K17/30 , H02K41/025
CPC classification number: H02K41/025 , H02K17/30
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公开(公告)号:US2826715A
公开(公告)日:1958-03-11
申请号:US24511651
申请日:1951-09-05
Applicant: NAT RES DEV
Inventor: CALLAND WILLIAMS FREDERIC , TOM KILBURN , CRAWLEY HUBERT J
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公开(公告)号:US2789759A
公开(公告)日:1957-04-23
申请号:US16938850
申请日:1950-06-21
Applicant: NAT RES DEV
Inventor: COLIN TOOTILL GEOFFREY , CALLAND WILLIAMS FREDERIC , TOM KILBURN , ERIC THOMAS GORDON , GEORGE EDWARDS DAVID BEVERLEY
IPC: G06F11/14
CPC classification number: G06F11/1497
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公开(公告)号:US2772050A
公开(公告)日:1956-11-27
申请号:US16938650
申请日:1950-06-21
Applicant: NAT RES DEV
Inventor: ALEXANDER ROBINSON ARTHUR , CALLAND WILLIAMS FREDERIC , TOM KILBURN
IPC: G11C11/23
CPC classification number: G11C11/23
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