Document Type and Number:
Japanese Patent JPS63153387
Kind Code:
U
Application Number:
JP4583087U
Publication Date:
October 07, 1988
Filing Date:
March 30, 1987
Export Citation:
International Classes:
G11B23/30; G11B27/00; G11C11/34; (IPC1-7): G11B23/30; G11B27/00; G11C11/34