Document Type and Number:
Japanese Patent JPS4953058
Kind Code:
A
Application Number:
JP9476472A
Publication Date:
May 23, 1974
Filing Date:
September 20, 1972
Export Citation:
International Classes:
G02F1/17; G02F1/167; G02F1/19; G09F9/37; G09F9/00; (IPC1-7): G02F1/30
Foreign References:
| US3512876A | 1970-05-19 |