Document Type and Number:
Japanese Patent JPS5237818
Kind Code:
U
Application Number:
JP7523775U
Publication Date:
March 17, 1977
Filing Date:
June 05, 1975
Export Citation:
International Classes:
E04F19/08; (IPC1-7): E04F19/08
Domestic Patent References:
| JPS4917815U | 1974-02-15 | |||
| JP48088125B | ||||
| JPS4723247B1 | ||||
| JPS485508B1 |