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公开(公告)号:US2985023A
公开(公告)日:1961-05-23
申请号:US5941560
申请日:1960-09-29
Applicant: SPERRY RAND CORP
Inventor: MARVIN WEISS , VINCENT MAIELI , OPPEN WALTER R
IPC: G01C21/18
CPC classification number: G01C21/18 , Y10T74/1221
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公开(公告)号:US2921249A
公开(公告)日:1960-01-12
申请号:US68014957
申请日:1957-08-26
Applicant: SPERRY RAND CORP
Inventor: OPPEN WALTER R
IPC: G05D3/14
CPC classification number: G05D3/1445 , Y10S388/906
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3.Automatic resetting means for transformer energized by asymmetrical waveforms 失效
Title translation: 用不对称波形进行变压器自动复位公开(公告)号:US3437910A
公开(公告)日:1969-04-08
申请号:US3437910D
申请日:1967-05-18
Applicant: SPERRY RAND CORP
Inventor: HARING LEWIS L , OPPEN WALTER R
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公开(公告)号:US2854856A
公开(公告)日:1958-10-07
申请号:US68015057
申请日:1957-08-26
Applicant: SPERRY RAND CORP
Inventor: OPPEN WALTER R
IPC: G05B19/14
CPC classification number: G05B19/14 , Y10S242/01 , Y10T74/131 , Y10T82/14 , Y10T82/2502 , Y10T409/300896 , Y10T477/26 , Y10T477/333 , Y10T477/65
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公开(公告)号:US3196295A
公开(公告)日:1965-07-20
申请号:US16705562
申请日:1962-01-18
Applicant: SPERRY RAND CORP
Inventor: OPPEN WALTER R , MICHAEL SILVERBERG , MYLES SPATNY
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公开(公告)号:US2817770A
公开(公告)日:1957-12-24
申请号:US57871256
申请日:1956-04-17
Applicant: SPERRY RAND CORP
Inventor: OPPEN WALTER R
IPC: G05B11/01
CPC classification number: G05B11/016 , Y10T307/544
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