Document Type and Number:
Japanese Patent JPS5017376
Kind Code:
Y2
Application Number:
JP6033471U
Publication Date:
May 29, 1975
Filing Date:
July 12, 1971
Export Citation:
International Classes:
F21V3/04; G02B5/20; (IPC1-7): G02B1/10; F21V3/04; G02B5/20