Document Type and Number:
Japanese Patent JPS5320975
Kind Code:
Y2
Application Number:
JP2297372U
Publication Date:
June 02, 1978
Filing Date:
February 24, 1972
Export Citation:
International Classes:
G06K7/00; G06F7/06; G06K1/12; G06K7/016; G06K7/10; (IPC1-7): G06K7/016; G06F7/06