4. Education and demonstration
  5. Language
  6. Speech

Robert W. Series

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Children's speech training aid

Education and demonstration – Language – Speech
Patent

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Growing semiconductor crystalline materials

Single-crystal – oriented-crystal – and epitaxy growth processes; – Processes of growth from liquid or supercritical state – Having pulling during growth
Patent

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Speech training aid

Education and demonstration – Language – Speech
Patent

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Profile ID: LFUS-PAI-P-604663

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