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1.
公开(公告)号:US3346700A
公开(公告)日:1967-10-10
申请号:US38999364
申请日:1964-08-17
Applicant: BELL TELEPHONE LABOR INC
Inventor: ANDERSON HAROLD P , MCMAHON FRANK J , SCHARG GEORGE A , HARRY WINTER
CPC classification number: H04Q3/625
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2.Pretranslation circuit for multifrequency to dial pulse converter 失效
Title translation: 多频拨号脉冲转换器的前置电路公开(公告)号:US3322900A
公开(公告)日:1967-05-30
申请号:US35461864
申请日:1964-03-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARRY WINTER
IPC: H04Q3/42
CPC classification number: H04Q3/42
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公开(公告)号:US3409742A
公开(公告)日:1968-11-05
申请号:US43192465
申请日:1965-02-11
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARRY WINTER
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公开(公告)号:US3348198A
公开(公告)日:1967-10-17
申请号:US38729364
申请日:1964-08-04
Applicant: BELL TELEPHONE LABOR INC
Inventor: HARRY WINTER
CPC classification number: H04Q3/00 , G06F11/085
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