Document Type and Number:
Japanese Patent JPS5270481
Kind Code:
U
Application Number:
JP15804575U
Publication Date:
May 25, 1977
Filing Date:
November 21, 1975
Export Citation:
International Classes:
G01B11/00; G01J1/02; G01J1/42; G01V8/16; G02B6/02; (IPC1-7): G01J1/42; G01D21/04; G02B5/14