Document Type and Number:
Japanese Patent JPS4849976
Kind Code:
U
Application Number:
JP9384271U
Publication Date:
June 30, 1973
Filing Date:
October 12, 1971
Export Citation:
International Classes:
F21V19/00; G09F9/30; G09F13/00; G09F13/04; (IPC1-7): F21Q3/00; F21V19/00; G09F13/00