Document Type and Number:
Japanese Patent JPS4835913
Kind Code:
U
Application Number:
JP7881271U
Publication Date:
April 28, 1973
Filing Date:
September 02, 1971
Export Citation:
International Classes:
A47B96/20; E04C2/30; E04C2/38; (IPC1-7): E04C2/30; A47B96/20
Domestic Patent References:
| JPS4948489A | 1974-05-10 |