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公开(公告)号：US3027432A
公开(公告)日：1962-03-27
申请号：US83452859
申请日：1959-08-18
Applicant: BELL TELEPHONE LABOR INC
Inventor： JORDAN HOMER G , PURGETT LAWRENCE J , RESTALL JR WILLIAM E , SCHWEIZER PAUL E
IPC: H04M1/08
CPC classification number: H04M1/08
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