4. Education and demonstration
  5. Science
  6. Physics

George F Hufnagel

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Board game teaching letter locations on a keyboard

Education and demonstration – Occupation – Keyboard operation
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Free rotator demonstrator

Education and demonstration – Science – Physics
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Gripping element toothbrush utensil and instructional kit

Education and demonstration – Anatomy – physiology – therapeutic treatment – or surgery... – Dentistry
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Internal-combustion engine instructional kit

Education and demonstration – Means for demonstrating apparatus – product – or surface... – Mechanical power source
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Profile ID: LFUS-PAI-P-2510695

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