Document Type and Number:
Japanese Patent JPS5647589
Kind Code:
U
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Application Number:
JP12951479U
Publication Date:
April 27, 1981
Filing Date:
September 18, 1979
Export Citation:
International Classes:
G09F9/30; G09F9/00; G09G3/00; (IPC1-7): G09G3/00; G09F9/00