Document Type and Number:
Japanese Patent JPH01177533
Kind Code:
U
Application Number:
JP7001788U
Publication Date:
December 19, 1989
Filing Date:
May 26, 1988
Export Citation:
International Classes:
A47B77/04; A47B46/00; A47B51/00; (IPC1-7): A47B46/00; A47B51/00; A47B77/04