Document Type and Number:
Japanese Patent JPH02150501
Kind Code:
U
Application Number:
JP6065589U
Publication Date:
December 26, 1990
Filing Date:
May 24, 1989
Export Citation:
International Classes:
G01B3/10; G01B5/02; G01B5/14; (IPC1-7): G01B5/02; G01B3/10; G01B5/14