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公开(公告)号:US2930974A
公开(公告)日:1960-03-29
申请号:US67560357
申请日:1957-08-01
Applicant: ITT
Inventor: FROM OWEN C
IPC: G01R33/038 , H04Q1/20
CPC classification number: G01R33/038 , H04Q1/20
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公开(公告)号:US2850655A
公开(公告)日:1958-09-02
申请号:US49667455
申请日:1955-03-25
Applicant: ITT
Inventor: FROM OWEN C , HAIGH LESLIE B , GULNICK ADRION N
IPC: H02K21/12
CPC classification number: H02K21/12 , H02K2201/12
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