Document Type and Number:
Japanese Patent JPS5620995
Kind Code:
Y2
Application Number:
JP17590176U
Publication Date:
May 18, 1981
Filing Date:
December 28, 1976
Export Citation:
International Classes:
A47B1/00; A47B13/00; A47B46/00; (IPC1-7): A47B1/00; A47B46/00