Document Type and Number:
Japanese Patent JPS6322505
Kind Code:
Y2
Application Number:
JP2750681U
Publication Date:
June 21, 1988
Filing Date:
February 28, 1981
Export Citation:
International Classes:
G01L21/00; G01M3/40; H01H33/66; (IPC1-7): G01L21/00; H01H33/66