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Teacher and parent interactive communication system incorporatin

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Teacher prepared formats for instructional apparatus

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Teaching and amusement apparatus

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Teaching apparatus with system for repetitive review of informat

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Teaching device

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Teaching device

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Reexamination Certificate

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Teaching device and method of using same

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Teaching method and system

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Teaching or amusement apparatus

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Teaching or amusement apparatus

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Teaching toy

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Teaching toy

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Testing apparatus

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Textbook with animated illustrations

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