Document Type and Number:
Japanese Patent JPS5130797
Kind Code:
B1
Application Number:
JP10317069A
Publication Date:
September 02, 1976
Filing Date:
December 19, 1969
Export Citation:
International Classes:
G03B23/00; G06K7/00; G06K7/01; (IPC1-7): G06K7/00; G03B23/00