Document Type and Number:
Japanese Patent JPS63157825
Kind Code:
U
Application Number:
JP5068187U
Publication Date:
October 17, 1988
Filing Date:
April 03, 1987
Export Citation:
International Classes:
G11B7/09; G11B11/10; G11B11/105; G11B25/04; (IPC1-7): G11B11/10; G11B7/09; G11B25/04