Document Type and Number:
Japanese Patent JPS55117052
Kind Code:
U
Application Number:
JP1526979U
Publication Date:
August 18, 1980
Filing Date:
February 07, 1979
Export Citation:
International Classes:
G06F3/047; G06F3/02; G06F3/041; G06F3/048; G06F3/0488; G06K11/00; (IPC1-7): G06K11/00; G06F3/02