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公开(公告)号:US2658193A
公开(公告)日:1953-11-03
申请号:US18458150
申请日:1950-09-13
Applicant: BELL TELEPHONE LABOR INC
Inventor: JENKINS REGINALD T
IPC: G10K1/062
CPC classification number: G10K1/062
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公开(公告)号:US2808463A
公开(公告)日:1957-10-01
申请号:US58990156
申请日:1956-06-07
Applicant: BELL TELEPHONE LABOR INC
Inventor: JENKINS REGINALD T , POLK ROBERT E
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公开(公告)号:US2889550A
公开(公告)日:1959-06-02
申请号:US68047757
申请日:1957-08-27
Applicant: BELL TELEPHONE LABOR INC
Inventor: JENKINS REGINALD T
IPC: G10K1/062
CPC classification number: G10K1/062
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公开(公告)号:US2533465A
公开(公告)日:1950-12-12
申请号:US78834447
申请日:1947-11-28
Applicant: BELL TELEPHONE LABOR INC
Inventor: JENKINS REGINALD T
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