Document Type and Number:
Japanese Patent JPS57194153
Kind Code:
U
Application Number:
JP8084081U
Publication Date:
December 09, 1982
Filing Date:
June 01, 1981
Export Citation:
International Classes:
G06K7/01; G06K7/10; G06K17/00; (IPC1-7): G06K7/10; G06K17/00