Document Type and Number:
Japanese Patent JPS5639392
Kind Code:
Y2
Application Number:
JP17836277U
Publication Date:
September 14, 1981
Filing Date:
December 30, 1977
Export Citation:
International Classes:
A47B87/00; A47B91/00; A47B97/00; A47B97/04; (IPC1-7): A47B87/00; A47B97/00