Document Type and Number:
Japanese Patent JPS5220135
Kind Code:
U
Application Number:
JP10643975U
Publication Date:
February 14, 1977
Filing Date:
July 30, 1975
Export Citation:
International Classes:
G07G1/12; G06F7/00; G06F17/40; G07G1/00; (IPC1-7): G06F15/30; G06F7/00; G07G1/00
Domestic Patent References:
| JPS49102254A | 1974-09-27 |