Document Type and Number:
Japanese Patent JPS5247406
Kind Code:
U
Application Number:
JP13465975U
Publication Date:
April 04, 1977
Filing Date:
September 30, 1975
Export Citation:
International Classes:
E04B1/38; E04B1/61; (IPC1-7): E04B1/40
Domestic Patent References:
| JPS338063Y1 |