Document Type and Number:
Japanese Patent JPS5292632
Kind Code:
U
Application Number:
JP87076U
Publication Date:
July 11, 1977
Filing Date:
January 07, 1976
Export Citation:
International Classes:
G09B7/06; (IPC1-7): G06F15/40; G06F15/20; G09B7/06
Domestic Patent References:
| JPS51121434A | 1976-10-23 |