Document Type and Number:
Japanese Patent JPS4974442
Kind Code:
A
Application Number:
JP11578472A
Publication Date:
July 18, 1974
Filing Date:
November 17, 1972
Export Citation:
International Classes:
G06F15/02; G06F3/147; G09G5/00; G06F3/14; (IPC1-7): G06F3/14