Document Type and Number:
Japanese Patent JPH03109535
Kind Code:
U
Application Number:
JP1763790U
Publication Date:
November 11, 1991
Filing Date:
February 23, 1990
Export Citation:
International Classes:
A47B46/00; A47B53/00; A47B77/04; (IPC1-7): A47B77/04; A47B46/00
Domestic Patent References:
| JP1177533B |