Document Type and Number:
Japanese Patent JPS5089306
Kind Code:
U
Application Number:
JP14170473U
Publication Date:
July 29, 1975
Filing Date:
December 03, 1973
Export Citation:
International Classes:
F21V8/00; G02B6/42; G03B31/00; G11B7/08; G11B7/135; (IPC1-7): G03B31/00; G02B5/16; G11B7/08