Document Type and Number:
Japanese Patent JPS5020703
Kind Code:
Y1
Application Number:
JP6978269U
Publication Date:
June 23, 1975
Filing Date:
July 23, 1969
Export Citation:
International Classes:
G01D7/00; G01D13/00; G01R1/04; G01R1/08; (IPC1-7): G01R1/04; G01D13/00