Document Type and Number:
Japanese Patent JPS5298415
Kind Code:
U
Application Number:
JP599476U
Publication Date:
July 25, 1977
Filing Date:
January 22, 1976
Export Citation:
International Classes:
G06K13/067; G06K7/01; G06K13/02; G06K13/06; G11B19/00; G11B19/02; G11B25/04; (IPC1-7): G11B25/04; G06K13/02; G11B19/02
Domestic Patent References:
JPS4811804U | 1973-02-09 | |||
JPS51115915U | 1976-09-20 |