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公开(公告)号：US3191179A
公开(公告)日：1965-06-22
申请号：US10250661
申请日：1961-04-12
Applicant: LAB FOR ELECTRONICS INC
Inventor： IVAN PELECH , LEE JR ROGER KENNETH
IPC: G11B17/32
CPC classification number: G11B17/32
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