Document Type and Number:
Japanese Patent JPS5224527
Kind Code:
Y2
Application Number:
JP8152772U
Publication Date:
June 03, 1977
Filing Date:
July 10, 1972
Export Citation:
International Classes:
G04G9/00; G01D7/00; G04B19/20; G04B19/34; G04C17/00; G04G99/00; G09F13/04; G09F13/14; G09F13/20; G09F13/42; (IPC1-7): G04B19/34; G01D7/00; G04C17/00; G09F13/14; G09F13/20