Document Type and Number:
Japanese Patent JPS4814032
Kind Code:
U
Application Number:
JP5498371U
Publication Date:
February 16, 1973
Filing Date:
June 24, 1971
Export Citation:
International Classes:
E04H5/00; E04B1/24; F23N3/00; (IPC1-7): E04H5/00; E04B1/24; F23N3/00
Domestic Patent References:
| JPS429726Y1 | 1967-05-26 |