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公开(公告)号：US2927159A
公开(公告)日：1960-03-01
申请号：US50570455
申请日：1955-05-03
Applicant: LAB FOR ELECTRONICS INC
Inventor： BANNISTER LAWRENCE H , DINOWITZ EDWARD E , POWERS DONALD M
IPC: H04L27/12
CPC classification number: H04L27/12
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