Document Type and Number:
Japanese Patent JPS57182771
Kind Code:
U
Application Number:
JP6881081U
Publication Date:
November 19, 1982
Filing Date:
May 13, 1981
Export Citation:
International Classes:
G09F13/18; G02F1/133; G02F1/1335; G09F9/00; (IPC1-7): G09F9/00; G02F1/133; G09F13/18
Domestic Patent References:
| JPS5313166U | 1978-02-03 |