Document Type and Number:
Japanese Patent JPS4992739
Kind Code:
U
Application Number:
JP13986272U
Publication Date:
August 10, 1974
Filing Date:
December 05, 1972
Export Citation:
International Classes:
G06K7/01; G06K7/10; (IPC1-7): G06K7/10
Domestic Patent References:
| JPS4726719U | 1972-11-27 |