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Patent Agency Ranking1.发明授权Ferroacoustic memory delay line employing reflected strain waves for improved signal-to-noise response 失效使用反射应变波的铁磁记忆延迟线，以改善信噪比
公开(公告)号：US3364474A
公开(公告)日：1968-01-16
申请号：US39329164
申请日：1964-08-31
Applicant: GEN DYNAMICS CORP
Inventor： FREYTAG RICHARD W
IPC: G11C8/00
CPC classification number: G11C8/005
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公开(公告)号：US3134083A
公开(公告)日：1964-05-19
申请号：US22830162
申请日：1962-10-04
Applicant: GEN DYNAMICS CORP
Inventor： FREYTAG RICHARD W , GRATIAN JOSEPH W
IPC: G11B5/37
CPC classification number: G11B5/376
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公开(公告)号：US3362019A
公开(公告)日：1968-01-02
申请号：US56552066
申请日：1966-07-15
Applicant: GEN DYNAMICS CORP
Inventor： GRATIAN JOSEPH W , FREYTAG RICHARD W , UNTERLEITNER FRED C
IPC: G11C8/00
CPC classification number: G11C8/005
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公开(公告)号：US3213359A
公开(公告)日：1965-10-19
申请号：US25166163
申请日：1963-01-15
Applicant: GEN DYNAMICS CORP
Inventor： FREYTAG RICHARD W , GRATIAN JOSEPH W
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公开(公告)号：US3376558A
公开(公告)日：1968-04-02
申请号：US39318264
申请日：1964-08-31
Applicant: GEN DYNAMICS CORP
Inventor： FREYTAG RICHARD W
IPC: G11C8/00
CPC classification number: G11C8/005
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