Document Type and Number:
Japanese Patent JPS487197
Kind Code:
U
Application Number:
JP4701471U
Publication Date:
January 26, 1973
Filing Date:
June 07, 1971
Export Citation:
International Classes:
G09B9/04; A63H18/10; A63H33/30; G09B9/048; (IPC1-7): A63H33/30; A63H18/10; G09B9/04