Document Type and Number:
Japanese Patent JPS57102803
Kind Code:
U
Application Number:
JP17958280U
Publication Date:
June 24, 1982
Filing Date:
December 16, 1980
Export Citation:
International Classes:
G01B11/00; G01B5/00; G01B5/02; G01B5/20; (IPC1-7): G01B5/00; G01B5/02; G01B11/00