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Amusement and educational game

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Audio educational game

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Auditory playing device

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Automatic sound-emitted self-learning toy

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Battery-free electronic teaching apparatus with keypad of piezo

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Children conductive intelligence autosuggestion machine

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Children's educational apparatus

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Cluster computer based education delivery system

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Combination system and question and answer matching game

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Computer assisted coaching method

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Computer assisted coaching method

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Computer assisted instructional and testing apparatus with switc

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Computer assisted teaching machine that uses two electroresistiv

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Computer assisted teaching machine that uses two sets of conduct

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Computer game teaching method and system

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Computer toy

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Computer-based education system

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Computerized educational and entertainment device

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Contact-actuated light pencil

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Data entry terminal and memory module therefor

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