Document Type and Number:
Japanese Patent JPS5646628
Kind Code:
B2
Application Number:
JP15408977A
Publication Date:
November 04, 1981
Filing Date:
December 21, 1977
Export Citation:
International Classes:
G01R22/00; G01R11/32; G01R21/127; G01R21/133; G06G7/16; G06G7/161; G06J1/00