Document Type and Number:
Japanese Patent JPH0172623
Kind Code:
U
Application Number:
JP16640587U
Publication Date:
May 16, 1989
Filing Date:
October 29, 1987
Export Citation:
International Classes:
G06C1/00; G09B19/02; (IPC1-7): G06C1/00; G09B19/02
Next Patent: JPH0172624