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公开(公告)号:US2538045A
公开(公告)日:1951-01-16
申请号:US48163843
申请日:1943-04-02
Applicant: SPERRY CORP
Inventor: RYAN JOHN J , DOUGLAS CLEGG
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公开(公告)号:US2518511A
公开(公告)日:1950-08-15
申请号:US55403844
申请日:1944-09-14
Applicant: SPERRY CORP
Inventor: WHITE GIFFORD E , DOUGLAS CLEGG
IPC: H01Q3/08
CPC classification number: H01Q3/08
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公开(公告)号:US2501662A
公开(公告)日:1950-03-28
申请号:US52866444
申请日:1944-03-30
Applicant: SPERRY CORP
Inventor: DOUGLAS CLEGG
IPC: B64D7/02
CPC classification number: B64D7/02
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