Document Type and Number:
Japanese Patent JPS5248576
Kind Code:
Y2
Application Number:
JP563774U
Publication Date:
November 05, 1977
Filing Date:
January 05, 1974
Export Citation:
International Classes:
E04G9/02; E04G13/02; E04G15/06; E04G19/00; (IPC1-7): E04G15/06