Document Type and Number:
Japanese Patent JPS54180736
Kind Code:
U
Application Number:
JP8095878U
Publication Date:
December 21, 1979
Filing Date:
June 12, 1978
Export Citation:
International Classes:
G03B21/11; G03B27/32; G06F7/00; (IPC1-7): G03B21/11; G03B27/32; G06F7/00; G06F15/40