Document Type and Number:
Japanese Patent JPS5320977
Kind Code:
U
Application Number:
JP10248576U
Publication Date:
February 22, 1978
Filing Date:
July 31, 1976
Export Citation:
International Classes:
G01R31/12; G01R31/04; G01R31/16; (IPC1-7): G01R31/04; G01R31/12