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Individual
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Individual
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Application filed by IndividualfiledCriticalIndividual
Priority to JP12939688UpriorityCriticalpatent/JPH065184Y2/ja
Publication of JPH0250355UpublicationCriticalpatent/JPH0250355U/ja
Application grantedgrantedCritical
Publication of JPH065184Y2publicationCriticalpatent/JPH065184Y2/ja
Substantially nonconsumable, machine-scorable and computer-processable educational and testing devices particularly adapted for the testing of young children