Document Type and Number:
Japanese Patent JPS5798541
Kind Code:
U
Application Number:
JP17689880U
Publication Date:
June 17, 1982
Filing Date:
December 10, 1980
Export Citation:
International Classes:
G11B5/716; G11B5/70; G11B5/80; (IPC1-7): G11B5/70; G11B5/80