TREA

Combined electro-optical and electro-mechanical displays

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Industry

  • CPC
  • G04C17/0091
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Parent Industries

GPHYSICS G04Horology G04CELECTROMECHANICAL CLOCKS OR WATCHES G04C17/00indicating the time optically by electric means

Current Industry

G04C17/0091Combined electro-optical and electro-mechanical displays
Industries