Document Type and Number:
Japanese Patent JPS5481324
Kind Code:
U
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Application Number:
JP15648677U
Publication Date:
June 09, 1979
Filing Date:
November 21, 1977
Export Citation:
International Classes:
G09B15/00; G10F1/00; G10F1/02; G10F5/06; G10H1/00; (IPC1-7): G10F5/06; G09B15/00; G10F1/00