Document Type and Number:
Japanese Patent JPS5450934
Kind Code:
U
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Application Number:
JP12550777U
Publication Date:
April 09, 1979
Filing Date:
September 16, 1977
Export Citation:
International Classes:
G07G1/01; G06F3/147; G07G1/00; (IPC1-7): G06F15/20; G06K15/18; G07G1/00