Document Type and Number:
Japanese Patent JPS5475142
Kind Code:
U
Application Number:
JP14969477U
Publication Date:
May 28, 1979
Filing Date:
November 07, 1977
Export Citation:
International Classes:
G09F9/00; G02F1/13; G02F1/1335; (IPC1-7): G02F1/13; G09F9/00