Document Type and Number:
Japanese Patent JPH0425725
Kind Code:
Y2
Application Number:
JP14808387U
Publication Date:
June 19, 1992
Filing Date:
September 30, 1987
Export Citation:
International Classes:
G02F1/133; G09F9/00; (IPC1-7): G09F9/00
Next Patent: JPH0425726