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公开(公告)号：US2958076A
公开(公告)日：1960-10-25
申请号：US60481356
申请日：1956-08-17
Applicant: LAB FOR ELECTRONICS INC
Inventor： KELNER ROBERT C , FULLER HARRISON W , LERNER HAROLD E
IPC: G11B20/14
CPC classification number: G11B20/1419
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