Document Type and Number:
Japanese Patent JPS4833255
Kind Code:
Y1
Application Number:
JP485468U
Publication Date:
October 09, 1973
Filing Date:
January 25, 1968
Export Citation:
International Classes:
A47B91/08; A47B27/00; G12B9/08; (IPC1-7): A47B27/00; G12B9/08