Document Type and Number:
Japanese Patent JPS5057453
Kind Code:
A
Application Number:
JP10331973A
Publication Date:
May 19, 1975
Filing Date:
September 14, 1973
Export Citation:
International Classes:
G02B5/10; F21S2/00; F21V7/00; G02B5/08; (IPC1-7): F21V7/00; G02B5/08
Domestic Patent References:
| JP33001936A | ||||
| JPS5053056A | 1975-05-10 |