Document Type and Number:
Japanese Patent JPS63178893
Kind Code:
U
Application Number:
JP7029687U
Publication Date:
November 18, 1988
Filing Date:
May 12, 1987
Export Citation:
International Classes:
G09F9/00; G09F13/00; G09F13/20; (IPC1-7): G09F13/20; G09F9/00