Document Type and Number:
Japanese Patent JPS5473866
Kind Code:
U
Application Number:
JP14767477U
Publication Date:
May 25, 1979
Filing Date:
November 02, 1977
Export Citation:
International Classes:
G09B27/08; A63B37/00; A63B41/00; (IPC1-7): A63B41/00; G09B27/08