Document Type and Number:
Japanese Patent JPS5548452
Kind Code:
Y2
Application Number:
JP3768979U
Publication Date:
November 12, 1980
Filing Date:
March 22, 1979
Export Citation:
International Classes:
G01R19/04; G01R19/165; G01R19/25; H02H3/02; (IPC1-7): G01R19/04; G01R19/25