Document Type and Number:
Japanese Patent JPH03124257
Kind Code:
U
Application Number:
JP3218790U
Publication Date:
December 17, 1991
Filing Date:
March 28, 1990
Export Citation:
International Classes:
G06F15/78; G06F17/18; G06J1/00; (IPC1-7): G06J1/00; G06F15/36; G06F15/78