Document Type and Number:
Japanese Patent JPS5256951
Kind Code:
U
Application Number:
JP14435475U
Publication Date:
April 25, 1977
Filing Date:
October 22, 1975
Export Citation:
International Classes:
E04F11/18; E06B9/01; (IPC1-7): E06B9/01; E04F11/18
Domestic Patent References:
| JPS4720121U | 1972-11-07 |