Document Type and Number:
Japanese Patent JPS57139503
Kind Code:
U
Application Number:
JP2602781U
Publication Date:
September 01, 1982
Filing Date:
February 27, 1981
Export Citation:
International Classes:
E04B1/00; (IPC1-7): E04B1/00
Domestic Patent References:
| JPS5713701U | 1982-01-23 |