Document Type and Number:
Japanese Patent JPS53141981
Kind Code:
U
Application Number:
JP4144977U
Publication Date:
November 09, 1978
Filing Date:
April 01, 1977
Export Citation:
International Classes:
G09F11/00; G02F1/19; G09F9/30; G09F9/37; (IPC1-7): G09F9/30; G02F1/19; G09F11/00