Document Type and Number:
Japanese Patent JPH052736
Kind Code:
Y2
Application Number:
JP19161687U
Publication Date:
January 22, 1993
Filing Date:
December 17, 1987
Export Citation:
International Classes:
E04G1/00; E04G1/24; E04G1/34; (IPC1-7): E04G1/34; E04G1/24
Next Patent: JPH052737