Document Type and Number:
Japanese Patent JPS5020655
Kind Code:
U
Application Number:
JP7227173U
Publication Date:
March 08, 1975
Filing Date:
June 20, 1973
Export Citation:
International Classes:
G01D7/00; G09F13/20; (IPC1-7): G09F9/34; G01D7/00; G09F13/20