Document Type and Number:
Japanese Patent JPS5544398
Kind Code:
U
Application Number:
JP13789079U
Publication Date:
March 22, 1980
Filing Date:
October 04, 1979
Export Citation:
International Classes:
G06K3/00; G06Q10/10; G06Q40/00; (IPC1-7): G06F15/30; G06F15/22; G06K3/00
Domestic Patent References:
| JPS4913695B1 | 1974-04-02 |