Method of recording and confirming long time magnetic recorder*reproducer
Номер патента: JPS5444422A
Опубликовано: 07-04-1979
Автор(ы): Riyouzou Tanaka
Принадлежит: NATSUKU KK
Опубликовано: 07-04-1979
Автор(ы): Riyouzou Tanaka
Принадлежит: NATSUKU KK
Glass for magnetic recording medium substrate or for glass spacer to be used in magnetic recording/reproducing device, magnetic recording medium substrate, magnetic recording medium, and magnetic recording/reproducing apparatus
Номер патента: US20240286946A1. Автор: Koichi Sato,Kazuaki Hashimoto. Владелец: Hoya Corp. Дата публикации: 2024-08-29.