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公开(公告)号：US3225338A
公开(公告)日：1965-12-21
申请号：US9730361
申请日：1961-03-21
Applicant: LAB FOR ELECTRONICS INC
Inventor： ROBERT KELNER , ROBERT PEARSON , LEE ROGER K , SHAPIRO ASCHER H
CPC classification number: G11B17/0284 , G11B5/6005 , G11B5/825 , G11B17/021 , G11B17/32 , G11B23/021 , G11B25/043
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