Document Type and Number:
Japanese Patent JPS5578902
Kind Code:
U
Application Number:
JP16260778U
Publication Date:
May 30, 1980
Filing Date:
November 24, 1978
Export Citation:
International Classes:
G01B3/46; G01B3/50; G01B5/00; (IPC1-7): G01B3/50; G01B5/00