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公开(公告)号:US2979675A
公开(公告)日:1961-04-11
申请号:US67966657
申请日:1957-08-22
Applicant: BELL TELEPHONE LABOR INC
Inventor: TURNER EDWARD H
IPC: H01P1/38
CPC classification number: H01P1/38
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公开(公告)号:US2922964A
公开(公告)日:1960-01-26
申请号:US51433955
申请日:1955-06-09
Applicant: BELL TELEPHONE LABOR INC
Inventor: TURNER EDWARD H
IPC: H01P1/37
CPC classification number: H01P1/37
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公开(公告)号:US2892159A
公开(公告)日:1959-06-23
申请号:US60215256
申请日:1956-08-06
Applicant: BELL TELEPHONE LABOR INC
Inventor: TURNER EDWARD H
IPC: H01P1/36
CPC classification number: H01P1/36
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