Document Type and Number:
Japanese Patent JPS4970947
Kind Code:
U
Application Number:
JP11234572U
Publication Date:
June 20, 1974
Filing Date:
September 29, 1972
Export Citation:
International Classes:
G03B27/62; A47B37/00; B41F13/00; B41F13/54; G03B27/32; G03G15/00; (IPC1-7): A47B37/00; B41F13/00; G03B27/32; G03G15/00
Domestic Patent References:
| JP8004050U |