Document Type and Number:
Japanese Patent JPS5210328
Kind Code:
U
Application Number:
JP9615975U
Publication Date:
January 25, 1977
Filing Date:
July 10, 1975
Export Citation:
International Classes:
G09F19/12; A63H33/22; G02B27/06; G09F19/02; (IPC1-7): G02B27/06