Document Type and Number:
Japanese Patent JPS61115956
Kind Code:
U
Application Number:
JP19787184U
Publication Date:
July 22, 1986
Filing Date:
December 29, 1984
Export Citation:
International Classes:
G02B21/26; G01B11/00; G01B11/24; G01N21/84; G01N21/88; (IPC1-7): G01N21/88; G01B11/00; G02B21/26