Document Type and Number:
Japanese Patent JPH02107668
Kind Code:
U
Application Number:
JP1565989U
Publication Date:
August 27, 1990
Filing Date:
February 13, 1989
Export Citation:
International Classes:
E04H17/16; (IPC1-7): E04H17/16
Domestic Patent References:
JPS6191960U | 1986-06-14 | |||
JPS58143042U | 1983-09-27 | |||
JPS63315778A | 1988-12-23 |