Document Type and Number:
Japanese Patent JPH04100711
Kind Code:
U
Application Number:
JP180591U
Publication Date:
August 31, 1992
Filing Date:
January 24, 1991
Export Citation:
International Classes:
E04B9/04; E04B9/28; (IPC1-7): E04B9/28; E04B5/54; E04B5/57; E04B9/04
Domestic Patent References:
| JP57129816B | ||||
| JPS5617770A | 1981-02-19 | |||
| JPS55133542A | 1980-10-17 |