Document Type and Number:
Japanese Patent JPS52163304
Kind Code:
U
More Like This:
Application Number:
JP7147576U
Publication Date:
December 10, 1977
Filing Date:
June 04, 1976
Export Citation:
International Classes:
G11B31/00; F21L4/00; F21V33/00; (IPC1-7): G11B31/00; F21L15/00
Domestic Patent References:
| JP48057150B |