Document Type and Number:
Japanese Patent JPS57197067
Kind Code:
U
Application Number:
JP8379281U
Publication Date:
December 14, 1982
Filing Date:
June 09, 1981
Export Citation:
International Classes:
G09B11/10; B42D15/00; G06C3/00; (IPC1-7): G09B11/10; B42D15/00; G06C3/00