Document Type and Number:
Japanese Patent JPS50130330
Kind Code:
A
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Application Number:
JP2394374A
Publication Date:
October 15, 1975
Filing Date:
February 28, 1974
Export Citation:
International Classes:
G06F3/12; G06F3/147; G09G3/04; (IPC1-7): G06F3/10; G06K15/18