Document Type and Number:
Japanese Patent JPS5471931
Kind Code:
U
Application Number:
JP14415477U
Publication Date:
May 22, 1979
Filing Date:
October 28, 1977
Export Citation:
International Classes:
G06G7/10; G06G7/12; G06G7/26; G06G7/28; G11C27/00; (IPC1-7): G06G7/10; G06G7/12; G11C27/00