Document Type and Number:
Japanese Patent JPS56145742
Kind Code:
U
Application Number:
JP4499280U
Publication Date:
November 04, 1981
Filing Date:
March 31, 1980
Export Citation:
International Classes:
G06F15/02; G06F3/147; G09F9/00; G09F9/30; G09G3/04; (IPC1-7): G06F15/02; G06F3/147; G09F9/30