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Patent Searching and Data


Document Type and Number:
Japanese Patent JPH0418039
Kind Code:
Y2
Application Number:
JP6556787U
Publication Date:
April 22, 1992
Filing Date:
April 30, 1987
Export Citation:
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International Classes:
G06F3/0354; G06K11/06; (IPC1-7): G06F3/033; G06K11/18