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公开(公告)号:US3389337A
公开(公告)日:1968-06-18
申请号:US47575865
申请日:1965-07-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: HUBBARD WILLIAM M , WARTERS WILLIAM D
IPC: H04L25/24
CPC classification number: H04L25/242
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公开(公告)号:US3492576A
公开(公告)日:1970-01-27
申请号:US3492576D
申请日:1966-07-29
Applicant: BELL TELEPHONE LABOR INC
Inventor: WARTERS WILLIAM D
IPC: H04L27/20 , H04L27/233 , H04J1/20
CPC classification number: H04L27/2032 , H04L27/2331
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公开(公告)号:US2922969A
公开(公告)日:1960-01-26
申请号:US60005456
申请日:1956-07-25
Applicant: BELL TELEPHONE LABOR INC
Inventor: FRIIS HARALD T , WARTERS WILLIAM D
IPC: H01P1/163
CPC classification number: H01P1/163
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