Document Type and Number:
Japanese Patent JPS5254687
Kind Code:
U
Application Number:
JP14190775U
Publication Date:
April 20, 1977
Filing Date:
October 17, 1975
Export Citation:
International Classes:
G07F11/70; (IPC1-7): G07F11/70
Foreign References:
| US3381605A | 1968-05-07 |