Document Type and Number:
Japanese Patent JPS6449587
Kind Code:
U
Application Number:
JP14522887U
Publication Date:
March 28, 1989
Filing Date:
September 21, 1987
Export Citation:
International Classes:
E04B2/74; E06B7/34; (IPC1-7): E06B7/34; E04B2/74
Domestic Patent References:
| JP54057843B | ||||
| JPS5922819B2 | 1984-05-29 | |||
| JPS5689685A | 1981-07-21 | |||
| JPS5018528B1 | 1975-06-30 |