Document Type and Number:
Japanese Patent JPS4997627
Kind Code:
A
Application Number:
JP835873A
Publication Date:
September 14, 1974
Filing Date:
January 19, 1973
Export Citation:
International Classes:
G03G15/11; G03G15/20
Domestic Patent References:
| JPS4717438A |
Foreign References:
| US2870312A | 1959-01-20 |