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Application filed by Институт Математики И Кибернетики Ан Литсср, Предприятие П/Я А-3593filedCriticalИнститут Математики И Кибернетики Ан Литсср
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(З) УСТРОЙСТВО дл МАГНИТНОЙ ЗАПИСИ(W) DEVICE FOR MAGNETIC RECORDING
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1.Авторское свидетельство СССР И 538393, кл. G 11 В 5/09, 1975.1. Author's certificate of the USSR And 538393, cl. G 11 B 5/09, 1975.2.Авторское свидетельство СССР Г 570086, к . G 11 В 5/09, 19752. Authors certificate of the USSR G 570086, k. G 11 B 5/09, 1975(прототип).(prototype).