Document Type and Number:
Japanese Patent JPS563990
Kind Code:
B2
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Application Number:
JP13004474A
Publication Date:
January 28, 1981
Filing Date:
November 13, 1974
Export Citation:
International Classes:
G03B21/11; G03B23/00; G06K13/00; G06K21/00
Next Patent: IMAGE DATA COMPRESSING/EXPANDING SYSTEM