Document Type and Number:
Japanese Patent JPS61101772
Kind Code:
U
Application Number:
JP18498184U
Publication Date:
June 28, 1986
Filing Date:
December 07, 1984
Export Citation:
International Classes:
G09B11/06; (IPC1-7): G09B11/06
Domestic Patent References:
| JP8018055U | ||||
| JP13007699Y1 | ||||
| JP15014244Y1 |