Document Type and Number:
Japanese Patent JPS56158943
Kind Code:
U
Application Number:
JP5900580U
Publication Date:
November 27, 1981
Filing Date:
April 28, 1980
Export Citation:
International Classes:
A47B87/00; A47B77/02; A47B81/00; (IPC1-7): A47B81/00; A47B77/02; A47B87/00