Document Type and Number:
Japanese Patent JPS5282497
Kind Code:
U
Application Number:
JP17105275U
Publication Date:
June 20, 1977
Filing Date:
December 17, 1975
Export Citation:
International Classes:
G09B25/06; A63H18/00; A63H19/36; G09B25/00; (IPC1-7): A63H19/36; A63H18/00; G09B25/00