Document Type and Number:
Japanese Patent JPS4849978
Kind Code:
U
Application Number:
JP9448071U
Publication Date:
June 30, 1973
Filing Date:
October 13, 1971
Export Citation:
International Classes:
G09F9/30; G02F1/13; G02F1/1333; G09F9/00; G09F9/35; (IPC1-7): G09F9/30; G02F1/13; G09F9/00
Domestic Patent References:
| JPS5020612U | 1975-03-08 |