Dynamic magnetic information storage or retrieval – Record medium – In container
Patent
1986-09-02
1989-03-07
Wolff, John H.
Dynamic magnetic information storage or retrieval
Record medium
In container
G11B 2302
Patent
active
048111520
ABSTRACT:
This invention provides an inexpensive structure for a protecting jacket for rotatable magnetic recording media which has a dimension sufficient to cover openings on the jacket and is provided as a sheet adhered to the jacket to cover said openings and prevent entry of dust.
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patent: 4695911 (1987-09-01), Loosen
Hirakura Megumu
Imamura Tetsuya
Kishine Nobuyuki
Kao Corporation
Wolff John H.
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