Document Type and Number:
Japanese Patent JPS4836899
Kind Code:
U
Application Number:
JP8006671U
Publication Date:
May 04, 1973
Filing Date:
September 06, 1971
Export Citation:
International Classes:
G06C3/00; G06C1/00; G09B29/00; G09D1/00; (IPC1-7): G06C3/00; G09B29/00