Document Type and Number:
Japanese Patent JPS54108087
Kind Code:
U
Application Number:
JP373678U
Publication Date:
July 30, 1979
Filing Date:
January 17, 1978
Export Citation:
International Classes:
G09B23/20; G01J1/00; G02B27/00; G09B23/22; G09B23/26; (IPC1-7): G02B27/00; G01J1/00; G09B23/22; G09B23/26