Document Type and Number:
Japanese Patent JPS55120051
Kind Code:
U
Application Number:
JP2038779U
Publication Date:
August 25, 1980
Filing Date:
February 20, 1979
Export Citation:
International Classes:
G01L21/00; G01L21/30; H01H33/66; (IPC1-7): H01H33/66; G01L21/30