Document Type and Number:
Japanese Patent JPS57156961
Kind Code:
U
Application Number:
JP2202382U
Publication Date:
October 02, 1982
Filing Date:
February 17, 1982
Export Citation:
International Classes:
G06K7/10; F21S15/00; G02B5/00; G02B6/04; G02B26/08; (IPC1-7): G06K7/10; F21S15/00; G02B5/00; G02B5/14; G02B27/17