Document Type and Number:
Japanese Patent JPS5247698
Kind Code:
U
Application Number:
JP13403875U
Publication Date:
April 05, 1977
Filing Date:
October 02, 1975
Export Citation:
International Classes:
H04N5/225; G21C17/00; G21C17/08; G21C17/14; H04N7/18; (IPC1-7): G21C17/14; H04N5/24; H04N7/18