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DAPHNE INVEST TRUST
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DAPHNE INVEST TRUST
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Application filed by DAPHNE INVEST TRUSTfiledCriticalDAPHNE INVEST TRUST
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Publication of FR942023ApublicationCriticalpatent/FR942023A/fr
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/004—Recording on, or reproducing or erasing from, magnetic drums
FR942023D1946-05-071947-02-20Procédé et dispositif d'enregistrement et de reproduction d'impulsions électriques et en particulier de sons
ExpiredFR942023A
(fr)