Title:
LIGHT COLLECTING SYSTEM FOR MIDDLE HIGH HOUSING
Document Type and Number:
Japanese Patent JPS5715303
Kind Code:
A
Inventors:
TANAKA KIYOZOU
Application Number:
JP9040180A
Publication Date:
January 26, 1982
Filing Date:
July 02, 1980
Export Citation:
Assignee:
TOYO METARU KOGYO KK
International Classes:
F21V8/00; E04F17/06; E04H1/00; F21S11/00; (IPC1-7): E04F17/06; E04H1/00; F21S11/00
Domestic Patent References:
| JPS5212848A | 1977-01-31 |