Document Type and Number:
Japanese Patent JPS5612246
Kind Code:
U
Application Number:
JP9237879U
Publication Date:
February 02, 1981
Filing Date:
July 04, 1979
Export Citation:
International Classes:
G06C3/00; G06G1/08; G06G1/10; (IPC1-7): G06G1/08; G06C3/00