Document Type and Number:
Japanese Patent JPS4943897
Kind Code:
Y1
Application Number:
JP10460168U
Publication Date:
December 02, 1974
Filing Date:
November 30, 1968
Export Citation:
International Classes:
G03B21/50; G03B21/00; G08G1/09; G08G1/095; G09F11/22; G09F11/295; (IPC1-7): G03B21/00; G08G1/09; G09F11/22