Document Type and Number:
Japanese Patent JPH04100743
Kind Code:
U
Application Number:
JP576191U
Publication Date:
August 31, 1992
Filing Date:
January 22, 1991
Export Citation:
International Classes:
E04F13/21; E04F13/08; (IPC1-7): E04F13/08
Domestic Patent References:
| JPS57181818U | 1982-11-18 |