Document Type and Number:
Japanese Patent JPH0441922
Kind Code:
U
Application Number:
JP8023590U
Publication Date:
April 09, 1992
Filing Date:
July 28, 1990
Export Citation:
International Classes:
F21L19/00; F21H1/00; F23D14/28; (IPC1-7): F23D14/28; F21H1/00; F21L19/00
Domestic Patent References:
| JP61063549B | ||||
| JPS6320004U | 1988-02-09 |