Document Type and Number:
Japanese Patent JPS5556433
Kind Code:
U
Application Number:
JP13997678U
Publication Date:
April 16, 1980
Filing Date:
October 11, 1978
Export Citation:
International Classes:
G01R31/02; H02H3/16; H02H3/38; (IPC1-7): H02H3/38; G01R31/02