Patent search ap:("BELL TELEPHONE LABOR INC") AND inv:"ALFORD REUEL S" Page 1

1.

发明授权
Cross-talk improvement 失效
Title translation: 串通改善

公开(公告)号：US2361523A

公开(公告)日：1944-10-31

申请号：US44827842

申请日：1942-06-24

Applicant: BELL TELEPHONE LABOR INC

Inventor： ALFORD REUEL S , EDSON ROBERT C

IPC: H04J1/12

CPC classification number: H04J1/12

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