Document Type and Number:
Japanese Patent JPS5273028
Kind Code:
U
Application Number:
JP16106475U
Publication Date:
June 01, 1977
Filing Date:
November 28, 1975
Export Citation:
International Classes:
E04F15/00; (IPC1-7): E04F15/00
Domestic Patent References:
| JPS5024658U | 1975-03-20 |