Document Type and Number:
Japanese Patent JPS52146988
Kind Code:
U
Application Number:
JP5327176U
Publication Date:
November 08, 1977
Filing Date:
April 30, 1976
Export Citation:
International Classes:
G09F9/00; G02F1/13; G02F1/1335; (IPC1-7): G09F9/00; G02F1/13; G06K15/18
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